Memoirs MCZ 3502

Umoirs of tbe Uluscum of Compnnittbe Zoology AT HARVARD COLLEGE Vol XXXV REPORTS ON THE SCIENTIFIC RESULTS TROPICAL PACIFIC, IN CHARGE OF U S FISH COMMISSION STEAMER 1899, TO MARCH, 1900, COMMANDER COMMANDING IX No OF THE EXPEDITION TO THE ALEXANDER AGASSIZ, BY THE "ALBATROSS," FROM AUGUST, JEFFERSON F MOSER, U S N., REPORTS ON THE SCIENTIFIC RESULTS OF THE EXPEDITION TO THE EASTERN TROPICAL PACIFIC, IN CHARGE OF ALEXANDER AGASSIZ, BY THE U S FISH COMMISSION STEAMER « ALBATROSS," FROM OCTOBER, 1904, TO MARCH, 1905, LIEUT.-COMMANDER L M GARRETT, U S N, COMMANDING X THE BRACHYURA By MARY J EATHBUN WITH NINE TLATES [Published by permission of George M Bowers, U S Commissioner of Fish CAMBRIDGE, U.S.A.: $3rinteo far tlje fHuscum August, 1907 atid Fisheries.] TABLE OF CONTENTS Page 25 Introduction Ocypode ceratoplithalma Ocypode cordimana Uca tetragonon Uca gaimardi Cardisoma carnifex Cardisoma rotundum Grapsus grapsus tenuicrustatus Grapsus strigosus Grapsus longitarsis Geograpsus grayi Geograpsus crimpes Geograpsus lividus stormi Leptograpsus variegatus Metopograpsus messor Pacliygrapsus transversus Pachygrapsus plicatus Pacliygrapsus fakaravensis, PI 1; PI 9, Figs 7, Fig 6,6a Pachygrapsus minutus Pachygrapsus longipes Ptychognathus easterana, PL 5, Figs 4, Sesarma (Sesarma) rotundatum Sesarma (Sesarma) trapezoideum Sesarma (Parasesarma) plicatum Sesarma (Parasesarma) carolinensis, 5, Figs 2,2 a; PL 9, Fig Sesarma (Holometopus) obtusifrons Sesarma (Holometopus) villosum Helice leachii Cyclograpsus lougipes Cyclograpsus parvulus Plagusia speciosa Plagusia dentipes Percnon planissimum 32 33 33 34 34 38 Platypodia anaglypta Platypodia PL digitalis, 1, PL Fig 6; 9, Figs 4, a Zosimus aeneus Lophozozymus dodone 38 38 39 39 39 Leptodius sanguineus Leptodius gracilis Leptodius efferens, Figs 6, a PL 1, Fig 11 ; PL 7, 39 Xanthodius cristatus 41 PL Cyoloxanthops cavatus, PL 6, Figs 3, a Actaea tomentosa Actaea affinis Actaea hirsutissima Actaea remota, PL Fig 8; 5, 41 42 42 42 42 42 1, Fig PL ; 7, Fig 37 37 Atergatis ocyroe Etisodes electra 37 Carpilodes rugatus Carpilodes monticulosus 30 30 32 Heraigrapsus elongatus, PI 2, Fig 2; PI 7, Figs 2, a Carpilodes 37 37 tristis Etisus laevimanus 31 a Carpilius couvexus 29 PI 2, Fig 4; Pseudograpsus albus PL 26 26 26 26 26 27 27 27 28 28 28 29 29 29 29 29 Pack 37 Carpilius maculatus 35 35 36 36 36 36 36 37 Actaea rufopunctata Actaea cavipes, PL 1, Fig Daira perlata Xanthias lamarckii Xanthias ponapensis, PL Xanthias notatus Xanthias canaliculars 7, Figs 5, 5a Chlorodiella niger Chlorodiella laevissima Phymodius ungulatus, Chlorodopsis Chlorodopsis PL 9, Pis 3, PL 1, Fig spinipes, PL 2, Fig scabricula, PL 1, Fig Chlorodopsis venusta, Fig 43 43 44 44 44 44 45 45 46 46 46 49 49 3; 50 TABLE OF CONTENTS 24 Page 63 64 64 64 64 65 65 65 Page PL Cyclodius ornatus, Fig Cyclodius 5, Fig ; PI 7, PL 7, -,1 gracilis, PL 1, Fig 10; 51 Fig PL Pilodius paumotensis, Figs 2, 8, 52 53 2a, 2b Cymo melanodactylus Cyrao quadrilobatus, Ozius mgulosus PL Fig 1, Ozius guttatus Ozius hawaiiensis Ozius tricarinatus, PL Pilumnus andersoni 2, Fig 53 53 53 54 54 Thalamita gardineri Thalamitoides quadridens Carupa laeviuscula Menaetbius monoceros Halimus borradailei Perinea tumida Scliizopbrys aspera Lophomicippa Lophomicippa limbata, PL PI 6, Figs Calappa bepatica Pilumuus globosus Matuta banksii Nucia gelida, PL Piluranus tahitensis 56 PL 8, Figs 3, a, 1, Fig 12 ; 56 3b Eriphia sebana 57 Ei-iphia scabricula 57 Trapezia rufopunctata 57 Trapezia cymodoce 58 Trapezia cymodoce dentata Trapezia~cymodoce ferruginea 58 66 ; 55 56 Actumnus integerrimus, PL 65 PI Partbenope (Parthenope) melana, PL 6, Fig 5, Fig 55 Piluranus cursor Fig 3; 5, 1-1? Figs 67 68 PL Fig 4; 5, 9, 2-2c 68 Leucosides whitmeei 68 Ocypode gaudichaudii Grapsus grapsus Planes minutus 69 69 69 Micropanope taboguillensis, PL PL 7, Figs 3, a Xanthodius sternbergbii 1, Fig ; 69 70 70 59 Cycloxantbops vittatus Actaea dovii 59 Ozius verreauxii 71 Trapezia digitalis speciosa 59 Trapezia digitalis bella 59 Ozius agassizii Heteractaea lunata 71 Tetralia glaberrima 60 Domecia hispida Lybia caestifera Caphyra rotundifrons, PL 60 Trapezia cymodoce areolata Trapezia cymodoce maculata 60 1, Fig Catoptrus nitidus Portunus (Achelous) granulatus PL Calliuectes alexandri, PL 9, Figs 3, a, 2, Fig Fig 71 71 affinis 71 72 60 60 Pelia pacifica 72 60 Scyramathia cornuta 73 72 PL Fig 7; 62 Scyramatbia vesicularis, PL 8, Figs 1, a Mithrax belli! Mithrax denticulatus 63 Thoe erosa 74 63 Calappa convexa 74 61 5, Eriphia squamata Portunus (Achelous) 71 Euphylax dovii Acanthonyx petiverii ; b Thalamonyx parvidens, PL Thalamita erenata Thalamita coeruleipes Thalamita admete 58 62 5, 73 74 74 THE BRACHYURA As dredging and shore the two cruises of collecting " the" Albatross obtained by no means represent were of secondary importance in the tropical Pacific, the adult during Decapods the complete fauna of the area visited Nevertheless, 136 species of Brachyura were obtained, and among them 18 new to science the new forms are from species and one genus the Caroline Islands and the The majority of Paumotu Archipelago, while two come from Easter Island A remarkable The genus Tahiti and the Fijis discovery is that of a Callinectes inhabiting is one heretofore restricted to middle America and the west coast of Africa The one insular species, even as observed in the young, An fathoms addition to the deep-water fauna is is a strongly marked a Scyramathia, dredged in 300 off the Galapagos A young specimen of the shore crab, Grapsus long itar sis, only 6.5 mm wide, but having the form of the adult, was taken in the intermediate tow- between 300 fathoms and the surface, at station 4717, about 600 miles southwest of the Galapagos Islands, where the depth of the ocean is 2153 fathoms, and where the South Equatorial Current sweeps in a northwesterly net, not surprising, then, that this species when full grown does not inhabit the Galapagos, but is known to occur at the Paumotus, the Ellice, and the Hawaiian Islands direction past the Galapagos towards the Mid-Pacific If this single littoral life example is long before representative, the species it reaches its final The type specimens described below Museum The drawings were made by Miss Clarence Dodge is It fully is equipped for its habitation are in the United States National E G Mitchell, the photographs by Mr THE BEACHYUEA 26 INDO- PACIFIC REGION OCYPODIDAE Ocypode ceratophthalma (Pallas) Ocypoda ceratophthalma Alcock, 1900, 69, 345 Rangiroa Fakarava Id., Paumotus; shore; Sept Id., Paumotus; outer reef; 23, 1899; Oct 12, lc? 1899; Makemo Id., Paumotus; Oct 21, 1899; Nomuka Iki, Tonga Group shore; Dec 2, 1899; Guam Id., Padrone Ids.; Feb 22, 1900; juv ; Ocypode cordimana Ocypoda cordimana Alcock, Nomuka Iki,