National Antarctic Expedition V6, 1907-1904

NATIONAL ANTARCTIC EXPEDITION 1901-1904 NATURAL HISTORY Vol VI ZOOLOGY AND BOTANY LONDON PRINTED BY ORDER OF THE TRUSTEES OF THE BRITISH MUSEUM 1912 {All Rights Reserved) '>tlSolo Sold by Longmans and Co., 39 Paternoster Row, E.G.; Bernard Quaritch, Co., Ltd., 37 Soho Square, W DuLAU and ii Grafton Street, W ; and at The British Museum (Natural History), Cromwell Road, London, S.W ; PREFACE TO VOL With Volume VI the issue of VI the Eeport on the Natural History specimens collected by the 'Discovery' National Antarctic Expedition (1901-4) present at least, to a close V Volume Volumes I-III appeared ; 1907, brought, Volume IV for in the 1908, in 1910 The present volume was specialist to completing in is whom it as to have included an account of the Polyzoa ; the the specimens were submitted has, however, been prevented from soon as he had hoped, and without the paper in it was decided to issue the volume question rather than delay further the publication of the rest of the contents The thanks of naturalists careful study of the material are due to the numerous workers who, by their and by their detailed descriptions, knowledge of the Animals, Plants and Minerals found A word of acknowledgment is also have added to our in a part of the Antarctic region due to the sub-editor of the Zoological and Botanical Reports, Mr F Jeffrey Bell, for the care and judgment with which he has done the work entrusted to him more than seven years ago ; during that space of time he has been charged with the distribution of the zoological and botanical specimens to the various investigators, authors, obtained the reports from the respective prepared the manuscript for the printers, revised the proof sheets, supervised the preparation of the numerous plates and other illustrations L FLETCHER, Director British Museum (Natueal February 2dth, 1912 History), and — CONTENTS OF VOL A Generai; Notice of the Biological Memoirs VI Synopsis of the Contents of the Several Volumes of Memoirs Classified Summary of the Contents of Vols I-VI (p- vii.) • (p xi.) (p- xiii.) ECHINODERMA III On a Collection of Young Holothurioids By Prof E W MaoBride, D.Sc, LL.D., F.R.S (9 pp., Pis.) POLYCH^TA By E Ehlers, Professor in Gottingen FEESHWATEE By F E Fritsch, (32 pp., Pis.) (GO pp., Pis.) ALGiE D.Sc, Ph.D., F.L.S — A GENERAL NOTICE OF THE BIOLOGICAL MEMOIES The completion of these memoirs, descriptive of the fauna and fifty part of the Antarctic area which was visited by the command Discovery,' under the ' of that flora of Captain Scott, E.N., C.V.O., oS"ers a suitable opportunity for saying a few words on the and that were obtained, collections some general for suggesting reflections on the inhabitants of the area that was studied we have First of all and the South Polar regions solid animals defenceless which they to assume hungry other, splendid and such in absence the polar sea, places are aggressors which allows are other compelled and the as themselves of the in dominated by have climes, colourations beautiful the is of its solid same colour assume the In the live the to surfaces ever Carnivores which, rapacious one there the in the one case, the In land ; between the North extraordinary difi'erences note the to so all snow on Penguins the shown well in Dr Wilson's admirable drawings The region, Antarctic inhospitable climate, almost devoid of forms are described in these volumes "It was of the collection represented on the usual the quite the ' to thing Discovery being, of instead ' life, will might with imagine, teems with species, of which 227 its new Of some Amphipoda Mr Hodgson writes take 10,000 Schizopoda by nearly 10,000 specimens Polychseta we as to 30,000 contained Students of at one a species Professor And haul." which was Ehlers' report have only a faint idea of the number of specimens of Harmothoe spinosa brought back by the Expedition The Alga Lessonia grandiflora was found 24 feet long ; Mosses showed existence to have a lamina as much as on the other hand, M Cardot noted that most of the species of signs, With the which he has exception of detailed, of some obtained by the 'Discovery' Expedition, the severity Algae, no of their struggle freshwater organisms for were A GENEKAL NOTICE OF THE BIOLOGICAL MEMOIRS viu On parting with these reports, on what has most of all there First by Mr Hodgson and Dr duties appropriate say to a few words and studious attention that me, in the prolonged struck have given to them may be it stands out the observant care of their always of Koettlitz as collectors, under conditions discomfort, and often of danger I In the second place, one cannot but be impressed with the varied attainments that Dr Wilson brought to the tasks that he had to perform memoirs of his ; intelligent lover pencil, Antarctic regions a necessity for to the visit their solution drawings added considerably to the attractiveness of Volume his not enter at any greater length into Dr I shall spirit of the not only a naturalist, but he also possesses great power over brush and is and be said that they breathe the true and they raised a number of interesting questions animals, of which made another Dr Wilson may it Wilson's observations 11 on Birds, any zoologist who has not yet read them should make himself acquainted with for them The same at once which were brought home Morphological observations slits expected at of seals, and the account of two new gill Seals, the skins of in excellent condition memoirs on the embryos of chord and Whales and report on true of his is considerable are interest be found to the in the development of the feathers of the penguins, species of possible indicates a should also whose possession of a noto- Ceplialodiscus, affinity to Man that would not be first sight attention Special be called to the two reports Echinoderm on Larvae which open up several points of general interest Turning to the more new 23 species, among so species much are I have to note that two and 26 of alone judge, I may as one containing it can plants and fell into I my even As to these, new by some ; there appear the validity as the of we know, to differ forms, but as one which, from the very conditions offer congratulate myself, at any hands, for I an admirable opportunity for rate, that the tremble to think how many other workers would have made, as a result of the bewildering exhibited In the zoological suggest that another collection should be treated, not would be brought together, must study of variation Echinoderms but none among plants proposed, of animals, specialists themselves under which the new genera new 201 new systematic memoirs sub-families have been created, both for Calcareous Sponges reports lie strictly of the forms amount collection species of some of variation "; A GENEKAL NOTICE OP THE BIOLOGICAL MEMOIES On whole the the naturalists, K.C.M.G., who have Eliot, been Poles, and with the possible exception of contributed these to by any resemblance between struck it ix not appear to have reports, faunas the and South the North of was therefore with some astonishment that Charles Sir I received late last year of " bipolarity an important memoir, by Professor Theel, urging the evidences manifested by the Priapulids and by the Swedish Antarctic To Expedition may It be remembered that one of the was a curious some time had the before been discovered was found person many years ago name quite unintelligible Land has ten Victoria of the lacunar illustration a legs, common genus Nymphon, of may draw first it while sea attention objects of interest in the whole found by Mr Hodgson spider knowledge of zoologists that who knew that ten-legged sea a was it spider by Mr Eights, and described by him under Decolopoda differs Eights's was found by the Charcot Expedition It collected of course, I can here only this, was the ten-legged Pycnogonid or collection it Sipunculids in although But, no other genus, which the important from form point had marked off from the peculiarities, in another part of the Antarctic be observed that there are striking differences between the fauna of the area explored by English and that examined by French, German, and Swedish navigators, but the time for an explanation of these has hardly yet come Most to had of the zoologists the or contributors botanists Common is it the biological volumes bear names has been introducing opportunity of Mr C F Jenkin, who ; to now to to me an zoological especial well known privilege that I work and zoological workers Professor of Engineering in the University of Oxford treatment has been followed in the nomenclature of both plants and animals F British have Museum (Natural History), Department of Zoology JEFFKEY BELL Antarctic (Discovery) Exp Freslrwater Algas PI I A.J E Tbt'A H.F del Bale &.II)anie]ssaTi, L^-.i imp Hlh Antarctic (Discovery) Exp Freshwater Algae PL H F ael II A.J E Bale StDanielssoTi, Tei-zi L^!^ lifli imp J Antarctic (Discovery) Exp FresKwater Aldas PI HI- H.F del Bale & A.J E Tei-ziHth Daniels on, L imp — —— ; FRESH WATEE ALGJ3 PLATE 55 I Figs l~5.~Chlamydomonas subcaudata Wille, ordinary individuals, 11 Figs = nucleus, (x e-W.— Chlamydomoms description, pp 7, of p, pyrenoid ; ; 700.) subcaudata Wille, encysted individuals of the mother-cell membrane is recognised easily ; In figs C in figs and the original shape 8-10 the cysts show the = processes described on p j? = pyrenoid ; n nucleus ( x 700.) ; Figs ll-li.—C'/damijdomonas subcaudata Wille, free cysts in fig 14 the cyst contains two pyreiioids (X 700.) Figs 15-18 Ghlamydomonas intermedia Chod., ordinary individuals ; p nucleus ; c = pyrenoid ; /* ; = = contractile vacuole ; = s stigma x ( 1350.) 1%.— Ghlamydomonas ehrenbergi Gorosch., ordinary individual = nucleus p = pyrenoid (X 700.) Fig 20.— Ghlamydomonas subcaudata Wille, cyst showing division of contents into four parts, (x 700) Figs 21-25 Ghloromonas cdpina AV^ille n = nucleus s = cyc-si3ot In most of the individuals the cilia could not be traced to their full length ( x 1350.) Fig ii'i.—Fleurococcus antarcticus W and G S A\^est, f typica ; o = oil-globules, (x 550.) Fig ; Fig 27 ; minor X ,, „ „ „ f Fig 28 „ „ „ „ i.filamentosa Fig „ „ , „ i.stellata ,, ,, , i: ,, „ f 2i) Figs 30, 31, 33 Fig 32 „ those in Fig 26 ., Figs 34-35 One of these cells has W and Pleurococcus antarcticus ii ; ; G S ( (x (x simplex; o typica, 550.) = 550.) 800.) (x two pyreuoids West, (x oil-globules, cells than 400.) robusta, elliptical cells f 550.) group of appreciably larger a ( X 500.) These are relatively small cells of this form Fig 36 Pleurococcus Figs 37-42 Jcoettlitzi sp n., Pleurococcus in fig 36 ; 40, daughter-cells (S'J, Figs 43, 44 Figs 45, n ; ; seen at a low magnification, cells 37, 30, 41, ordinary tetrads mother-cell, other figures x (x pp 20, 21 Eucapsis minuta sp n (x 1800) — some Figs 49-51 Fig 52 Merismopedia tenuissima sp n ; Phormidium autumnale (Ag.) Gom., Figs 55-59 Oscillatoria Jcoettlitzi sp n ; the cells group shown development of tetrad the of 42, ; abortive arc 400.) of an older colony to show grouping of cells colony to show the cubical arrangement colony ; (x 50, 51, older colonies, apices of two filaments 55, 57, 58 are typical tricliomes ( 1400.) X 700.) (X 700.) Gom., var antarctiM var n 62, f acuminata; 61, f (x 550.) 64, trichome overgrown by filaments of PJtormidium amjustissimum Oscillatoria producta W and G S West, (x 800.) subproboscidea W and G S West, (x 800.) „ Figs 60-64 Fig 66 cells Lemm 49, young (x 1800.) Figs 53, 54 Fig 65 (x 47, Surface view of 48, Phormidium frigidum of 220.) 500;) Diagram of eight (magnified about 4000 times) ; (x 38, small part of 400.) Pleurococcus friyidus AV and G S West, sp., cf ; development of daughter-cells within mother-cell within 40 X 500 iG.—Penium Figs 47, 48 group of Jcoettlitzi sp Oscillatoria simplicissima ; (x 700.) W and G S West, Figs 67-70 Microcystis parasitica Kiitz Figs 71-73 PJiormidiwm antarcticum forma (71, 72, x 850 ; 73, X spircdis 1800.) —— 56 FEITSCH E F PLATE II Lynghya lagerheimi (Mob.) Gomont 74, 75, typical portions of the stratum 76, 77, two filaments from the stratum, showing spiral coiling 78, a single filament on a larger scale with the contained trichome (74-77, X 500 78, X 1200.) Lynglya attemmta sp n 79-83, different types of apex of the trichomes 84, a filament Figs 74-78 ; ; ; ; Figs 79-84 ; (X Lynghya Figs 85-8G ceriigiiieo-ccerulea (Kiitz.) with gonidia Figs h7-90 — Lynghya 88-90, Figs 21-98.—Lynghtja Figs 94-96 Figs 97-98 ; 800.) (x cesh/arii X Gom ; 85, 85«, normal filament (Mertens) Liebm., var an/arctica var nov scotti sp n X 700 (91, 92, var „ „ „ JVavlcula seininulum Gvan (x 93, ; ?hoto?- var nov stcmropteroides sp n Figs 101 „ cymatopleurus ^V a,nd G S.\Yest, (99, X 1800 X 800 (87, ; W and G 100, X 1250.) (xl250.) West, (x 800.) ; Figs 102-103 Microcystis chroococcoidea Nodidaria spumigenaMertens, var minor nov Figs 109-110 Nodularia quadra/a sp n Anahcena antarctica probably immature ( X sp ( X 1350.) X va,T (104-106, X 800; 107-108, X different types of apices ; 1300.) 115 shows filament 800.) The group in fig 116 shows a distinct septum in 800.) n., filaments with spores ; the smaller spores in fig 118 are 500.) Dactylococcopsis antarctica sp n (x ( Hansg Dactylococcopsis rliaphidioides several of the cells S 112-114 show with a probably immature spore division, See p 27 X 1200.) (x 1350.) Figs 104-108 Figs 121-122 86, filament 1250.) „ Figs 118-120 ; 700.) Figs 90-100 Figs 116-117 (x 700) 800) ; 121, small part of the colony ; 122, a cell in process of — — —— — ;; FRESH WATEE ALGM PLATE Figs 123-125.—iVosioc young disciforme sp n., 57 III colonies X (123, 140 x 124-125, ; 500.) Fig 126 Nostoc disciforme sp n., tlialli (Natural size.) Figs 127-130 Nostoc disciforme sp n 127, 128, two filaments spores Fig 131 Fig ISO, filament with sheath ; Nostoc disciforme 132.—iVostoc Nostoc Figs 135-136 „ Fig 137 „ Fig 138 Nostoc fuseescens sp Fig 139 small part of a mature thallus sp n., (Natural longsiaffi sp n., thalli Figs 138-134 „ young longstaffi, sp n., „ „ „ smdl young Figs 140-142 „ „ filaments Figs 143-144 „ „ young ( Van Heurck sp., (x thalli Fig 150 ? Cyclotella operculata Kiitz Fig 151 Coscinodiscus decipiens Gtuti Figs 152 and 152a Diatoma 155 X 500.) (135, x 700 ( x Ag., var ; X ; 136, X 500.) 30.) 141, x 500.) branched filament richly 154, f W Sm (Kiitz.) 152, ; girdle-view 1350.) amphicephala ; 155, elongata f (154, x 1250 ; 850.) Galothrix intricata sp n in two cases) ; ; 163, X 159, 160, single filaments ; X 1250 X 157, ; 1500.) ; (158, X 400; 159, X 800; 161, 162, filaments showing false branching IGO, X 500.) (161, 162, 550.) Galothrix gracilis sp n filaments (156, 158, a typical part of the stratum (the trichomes are only ; Galothrix antarctica sp n X 400 ; ehrenbergi Denticula tenuis Kiitz var anfarclica var nov Figs 164-172 ( 1350.) Figs 156, 157 shown 700 small part of the Figs 158-160 Figs 161-163 x 500.) x 1950 152fl, x Kiitz (x 900.) ; 700.) 400.) 145, a (x (x 550.) (x 1250.) Navicula globiceps Greg 155, 129, two groups of ; x 1350.) (152, Fig IbS.—Navicula lorealis (Ehrb.) 129, 800.) p 46 elongafum 152«, valve-view Figs 154, (x cf x (140, 142, Tolypothrix conglntinata Borzi Fragilaria curta ; size.) thallus 146, the end of one of the branches Figs 148, 149 and ll'ia.—Melosira x 500 (X 30.) part of a mature thallus (Natural n., thalli a Fig 147 (x filaments with spores „ 127, with spores size.) colonies, „ „ Figs 145-146 ; (127, 128, 130, 164, filament showing false branching 1G6, 167, base of two filaments, showing inflation ; ; 165, 172, typical 170, part of a filament showing an intercalary heterocyst ; 171, base of filament with a subconical heterocyst 166-169, 171, 172, X 700 (1G4, 165, X 500 170, X 1200.) ; ; INDEX Achnanthacese, 50 Chroococcacese, Achnanthes, 50 Chroococciis, 3, 21 brevipes, 50 „ „ suisessilis (syn.), 50 „ Algse of Shackleton's expedition, Algal flora, ; of (i 3, „ minjar, 4, 22 „ minutus, 4, 21 turgidus, 21 ., fi South Orkneys, Alpine Algse in the Antarctic, Anabcma, 1, 2, freshwater, of Kerguelen, South Georgia,3, helveticus, 22 ., var intermedia, 50 „ ; of 1,?>, Coujugatffi, 2, 3, 6, 20 water algal ,, catenula, 44 var amerieana, 44 „ „ Anacyntis jjarasitica (syn.), 24 freshwater, Algaj, with Arctic freshwater Algse, ; „ decipiens, 47 „ griseus, 47 comparison Cuticularia (sect Nostoc), key to species of, 41 Cyanophycese, abundance ; 3, Calothrix, 3, 30 ; of, in Ant- forms, heterocystoi:s representation in Arctic regions, ; Cyanophyceous BacillarieEe, 4fl sheets, epiphytic ; flora of, 3, „ antarctica, 4, 30 „ cartilaginea, 38 ., epiphytica, 37 Cyclotella, 47 fusca, 36 gracilis, 4, 37 „ intricata, 4, 36 ., sandvirensis, 30, 38 (W and G West), 37 S „ antarctica, 22 ,, montana, 23 „ mucicola, 23 „ rhaphidioides, 4, 22 Denticula, 49 CentricEe, „ Chlamydomonadaceffi, operctdata, 47 „ Dactylococcopsis, 22 ,, Chlamydomonas, 21 2, arctic regions, 2, jjrasiim, 23 sp lacustris, 47 „ var gallapagensis, 47 „ „ Aphanofhece, 23 „ of, in fresh- Coscinodiscus, 47 ,, „ occurrence ; flora of Antarctic, 3, Coscinodiscacese, 40 3, 43 antarctica, 4, 43 Antarctic 21 3, 6, 2, /rM/«rfffl (syn.), 49 „ inflata (syn.), 49 4, 7, 10 „ tenuis, 49 caudata, 4, „ „ ehrenhergi, 5, 7, 10 gigantea, „ f antarctim, 10 subcaudata, 5, formation OMorella, 16 49 ; 6, 7, 32 of, 0, ; cyst- 49 ; var 2, 3, 21 „ ehrenbergi (syn.), 50 „ elongatum, 50 „ „ Diatomacese, 50 var ehrenbergi, 50 conglomerata, 16 Diatoms, in the Antarctic, regtilaris, 16 Dol'ichospermum (sect Anabcena), 44 Epiphytic flora on Cyanophyceous sheets, alpina, 5, 10 in Diatoma, 50 ,, ,, ; Arctic regions, „ Cliloromonas, 10 /n- var inflata, 49 Desmids, in Antarctic regions, intermedia, 5, 7, 9, 10, 32 marina, var antarctica, ^rj'ift, Eucapsis, 5, 25, 26 3, 3, 59 INDEX Eucapsis alpina, 26 minuta, „ Merismopedia tenuissima, 5, 25 Flora, epiphytic, 3, floating, 3, ; ice-, ; Mkrocoleus, 26 Fragilaria, 4, 48 „ „ antarctka, 49 „ curta, 48 ,, linearis, 48 „ oUiquecostaia, 48 „ tenuicoUis, 48 „ sheets „ merismopedioides, „ parasitica, 4, 24 „ periodicity of algal ; flora of, 24 5, „ npkola, „ shutthworthiana, 23 4, 23 Gonidia in Lynglya (syn.), 24 Mysophycese, 21 „ borealis, 4, 52 ,, cymatopleura, i, b, airuffi?ieo-cmrnlea, 28 Hantzschia, 4, 54 amphioxys, „ elongata, 4, 54 Heterokontse algal flora fformidium-st&ge (of Prasiola crispa), of 5, Ifi, 17 Ice-flora, Intricata (sect Nostoc), 42 ; occurrence of, in freshwater algal flora of Antarctic, G Kerguelen, Algffi of, 3, Lophopodium sandvkense Lynglya, 3, 26, 32 (syn.), 38 „ cerugineo-carulea, 4, 28 „ cestuarii, 4, 26 minima, 51 murrayi, „ „ „ muticopsis, 3, 4, 5, 51, 53 „ shacMetoni, 4, 5, 52, 53 ,, stauroptera, 53 ,, stauropteroides, 53 NaviculacesB, 50 Nitzschiaceffi, 54 Nodularia, 44 „ harveyana, 45 „ quadrata, 4, 5, 45 spumigena, 44 „ „ Mtzingi, 29 martensiana, 4, 27 scort*, 4, var minor, 29 „ „ 29 suMilis, 29 Lysigoniiim „ var genuina, 45 ; „ var borneti, 43 ,, commune, 43 „ cuticulare, 41 „ disciforme, 4, 5, 39, 40, ship of, 40 ,, fuscescens, 4, 5, 41 italica, 46 „ „ lineata, 46 „ longstaffi, 4, 5, 40, 41 „ salina, 46 „ macuUforme, 40, 41 „ sp., 5, 46 „ pachydermaticum, 42 ,, subflexilis, 46 „ 'punctiforme (syn.), 41 „ sphcericum, 4, 5, 43 glaucumva,r.punctatttm,25 ; tenuis, 45 „ M'terismopedia, 25 44 var minor, 4, 44 iV^osfof, 3, 39 (sect, Melosira), 40 Melosira, 46 „ liforea, var distincta, 29 „ 5, 51 Y&r.pellucicla, 52 „ „ cladophorcB, 28 „ var elegans, 53 seminvlum, „ „ f ; muticopsifonnis, 51 ,, „ „ 53 4, 52 ,, attenuata, 4, 28 lagerheimi, 4, 29 amphi-cepluda, 'f „ „ „ „ „ var antarctica, 4, 27 „ „ gloliiceps, 4, 5, 52 i^'i elongata, 53 Antarctic, Isokontse, 2, „ 4, 54 freshvvater in „ gihha, 53 „ „ „ 24 var glacialis, 5, 25 „ Mkrohcdoa firma 5, Navicuici; 3, 51 Glccocapsa, 23 „ (syn.), 24 marginata, var antarctica, 4, 5, 48 epiphytic flora of Cyanophyceous from, chroococcoidea, 23 yzrma „ Fragilariacese, 48 Gap pond, vaginalus, 4, 26 Mierocyslis, 3, 23 ,, „ „ 5, 25 Mesoteeniacese, 20 hederuJce, 4, 41 Kostocacese, 39 41 ; relation- ; ; 60 INDEX CEdogoniacese, occurrence in of, the Ant- Polycystis firma (sjn.), 24 Prasiola, 2, 3, 4, 5, 16 arctic, Oscillarieffi, 3, „ anlarctica, 17 Oscillatoria, 3, 33 „ calophylla, 19 „ msjja, 16, 17, 18, 19, 20; akinetes hrevis, 35 „ „ deflexa, 35 „ formosa, 35 of, 17 PrasiolaceEe, 16 „ irrigua, 4, 33 „ Jcoettlitzi, 4, „ limosa, 34 Protococcaceffi, 11 lirolioscidea, 33 Protoderma, 16 ,, producia, 35 Eeproduction var ,, aiitarctica acuminata, 34 f ; , 33 ; f spiralis, 84 sulcaudata, 22 arctica, in ; „ „ tenuis, 4, 5, 34 qimdrata, 45 f N mruginosa (syn.), 33 Rivulariaceas, 36 Antarctic freshwater algal Scytonematacese, 38 Ant- ^'^ox^ oi AnalicEna antarctica, 44 Siphonales in freshwater flora of Antarctic, flora, Pheeophyceaj in freshwater flora of arctic, gracilis, Phormidium, 38 of ; ,, angustissinmm, 31, 32 antarcticum, 5, 32 Snow-floras, 2, ,, autumnale, 30 Sonth Georgia, Algis South Orkneys, „ frigidum, Stauroneis, 50 5, 81 „ glaciate, 32 laminosiim, 30 ,, tenue, 31 „ „ „ „ „ ,, „ minor, 13, 14; „ 14 stellata, ; f 14 ; f f /«/^ifrt, ,, rohusta, simplex, 12, 14 ; 15 regularis (syn.), 16 montagnei, 46 conylutinata, 38 „ Trochiscia, 11 „ crassa, 11 Tropidoneis Icevissima, forma (W and G „ S West), Podosira, 46 thermalis, 26 Tolypothrix, 38 dissectus, 3, 5, IG Jcoettlitzi, 3, 4, 54 TabellariaceEB, 49 12, 13 frigidus, 3, 12 pachydermus, 5, sp., 26 f.fllamentosa, 13, 14 conglomeratus (syn.), 16 „ 1, 6, var ampJiicephala, 50 ,, Symploca, 26 „ ; longstaffi, of, 3, „ angusta, „ antarcticus, 3, 4, 5, 12 f N Surirella, 54 Pleurococcus, 2, 3, 12 12, 13, of anceps, 50 Surirellacese, 54 f ; treleasi, 32 „ Pleurococcacese, 12 ., oi Oalothrix 40 fragile, 31 „ ; Nodularia quadrata, 45 of Nostoc disciforme, 39 3, 5, 30 ,, ,, in sp., 5, 20 of ; Jcoettlitzi, ; cruciferum, 21 Periodicity in Pleurococcus ; in 15 in Prasiola crispa, 17 Khodophyceae in freshwater flora of Antarctic, Oscillatoriacese, 26 Penium, 20 „ 40 ant; in Nodularia ; in Nostoc disciforme, 39 ; longstaffi, 26 miniita, Lyngiya cerugineo-ccerulea, 28 „ Ant- antarctica, 44 Ghlamydomonas Dactylococcopsis Eitcapsis in ; in ; siibprohoscidea, 33 „ ,, Anahcena in in Oalothrix gracilis, 38 simplicissima, 33 „ of flora arctic, ,, „ freshwater in Protococcales 34 Ulothrix, 2, 11 „ suhtilis, 11 „ var variaUlis, 4, 11 „ Ulotrichacese, 11 Ulotrichales Antarctic, in freshwater algal flora of Vaucheria in freshwater flora of Antarctic, At the suggestion of the Director the subjoined alphabetical indices have been prepared to show students in which volume they are particularly interested Owing to the fact that the it as possible after their reception, the fifty memoirs " necessarily deal with find memoirs in which they memoirs were submitted subjects not in the five volumes of " Zoology closely allied in any systematic arrangement F J February lUh, 1912 to was important to publish them as soon the Editor at very various times, and as and Botany may B SUBJECT INDEX TO THE 'DISCOVEEY' BEPOETS INDEX OF AUTHOES OP THE 'DISCOYEEY' EEPOETS VOEUME Bell, F J (Echinoderma) Boulenger, G A (Pisces) Brady, G S (Ostracoda) IV Browne, E T (Medusae) Caiman, W T (Oumacea) (Decapoda) „ II Ehlers, E (PolycliaBta) II .II MacBride, E (Pteropoda) Ferrar, H T (Field Geology) Fowler, G H (Chsetognatha) IV II III „ Herdman, W A (Tunicata) S J .VI Gepp, A and E S (Marine Algse) Graveley, F H (Hydroid Zoophytes) Hickson, V, Fritsch, F E (Freshwater Algse) Gruvel, A (Cirripedia) (Alcyonaria) Hoyle, „ (Pycnogonida) W E (Cephalopoda) Jenkin, C F (Calcarea) liinstow, V VI III III III .V F (Sipunculoidea) (Nematoda) W (Echinoderm Larvae) (Young Holothurioidea) „ H F (Solenogastres) Prior, G T (Rock Specimens) Nierstrasz, Pycraft, W Anatomy P (Penguins, of) Rennie, J (Tentacles of a Siphonophore) Eidewood, W Simpson, J C (Echinoderm Larvse) Smith, E A (Amphineura) , (Brachiopoda) , (Gastropoda) , Tattersall, (Lamellibranchiata) W M III IV , VI IV .1 II III II III IV .II .II .II (Schizopoda) Thiele, J (Leptostraca) G (Oephalodiscus) Shipley, A E (Cestoda) IV IV III II .IV III III Timms, H Marett III Traunfels, R R III Trouessart, E L (Acari) III Walker, A (Amphipoda) III Wilson, E A (Aves) Hodgson, T V (Collecting in Antarctic Seas) (Isopoda) III W .V (Hydroid Zoophytes) „ IV Eliot, Sir Chas (Nudibranchiata) „ „ Lanchester, DarbisMre, V (Lichenes) (Tetraxonida) V III Carpenter, G H (Aptera) Kirkpatrick, E (Hexactinellidse) III Cardot, J (Musci) Clubb, J A (Actinia) VOLUME Joubin, L (Nemertinea) V III .II .IV „ v Embryos) Stummer- (Myzostomidse) (Seal (Mammalia) Wolfenden, R N (Copepoda) V IV .II .II .IV ... the issue of VI the Eeport on the Natural History specimens collected by the 'Discovery' National Antarctic Expedition (1901-4) present at least, to a close V Volume Volumes I-III appeared ; 1907,... have Museum (Natural History), Department of Zoology JEFFKEY BELL NATURAL HISTORY OF THE NATIONAL ANTARCTIC EXPEDITION, 190M904 SYNOPSIS OF THE CONTENTS OF THE SEVEEAL VOLUMES OF MEMOIES Volume... asked to report on a collection of young Bchino- derms, which had been collected by the National Antarctic Expedition came to hand, they proved to be the post-larval stages of a Holothurioid was