NO. 9 MARINE INVERTEBRATES, ALASKA — MacGINITIE 'J'J 



(C) ; Dendrobeania murrayana (A) ; Emballotheca styiifera (C) ; 

 Pachyegis prince ps (A) ; Eschar oidcs jacksoni, few; Porella com- 

 pressa (C) ; P. minuta (C) ; Smittina bella (A); Miicronella micro- 

 stoma, (C) ; Costazia surcularis (A) ; C. ventricosa (A) ; Borgiola 

 pustulosa, n. sp. (C) ; Lichcnopora verrucaria (A) ; Alcyonidum 

 polyoum (A); Flustrella cornicidata (A). Polychaetes — Arcteobia 

 antic ostiensis, 4; Harmothoc extenuata, 31; //. imbricata, 13; Eumida 

 minuta, 28; Autolytus falla.v, 13; /^. alexandri, 10; Exogone naidina, 

 49; Sphaerosyllis erinaceus, 11; Syllus cornuta, 17; 5". fasciata, 41; 

 Chaetozone setosa, 8; Cirratulus cirratus, 31; Nicomache lumbricalis, 

 7. Amphiurans — Gorgonocephalus stimpsoni, few. Holotliurians — 

 P solus fabricii, 34. Cirripedes — Balanus crenatus (AAA) ; B. rostra- 

 tus apertus, few. Copepods — Schizoproctus inflatus, 2. Isopods — 

 Synidotea bicuspida, 2; Munna sp., 24. Amphipods — Photis 

 reinhardi, 25 ; Eurystheus melanops, 6 ; Ischyrocerus latipes, 9 ; 

 Unciola leucopis, 4. Decapods — Sclerocrangon boreas, 4; Eualus 

 gaimardi, 18; Pagurus trigonocheirus, 12; //ya^ coarctatus alutaceus, 

 15. Pelecypods — Muscitlus corrugatus, 25 small; Astarte montagui 

 (AAA) ; Cardita crassidens, 3. Gastropods — Ptychatractus occiden- 

 talis, 3 ; Neptunea ventricosa, 2 ; Buccinum plectrum, 4 ; 5. fringillum, 

 2 (the only specimens taken) ; Boreotrophon sp. (C) ; Piliscus com- 

 codus, 9 ; Aquilonaria turneri, i ; Natica clausa, 5 ; Onchidiopsis 

 glacialis, i; MoUeria costidata, 3; Solariella obscura, 4 juv.; Mar- 

 garites costalis, 26; M. frigidus, 4; Velutina velutina, 2; Lepeta 

 caeca, 2. Amphineurans — Trachydermon albus, 2 ; Symmetroge- 

 phyrus vestitus, 12. Tunicates — Amaroucium sp., 3; Chelyosoma 

 macleayanum, 8; Styela rustica macr enter on, 8; Boltenia ovifera, 31 

 (host of copepods mentioned above). 



Station 45, in the rubble zone, had a fairly rich fauna, and mol- 

 lusks were conspicuous in the hauls. Animals : Sponges — Cioxeamis- 

 tia sp. (C); Echinoclathria beringensis, 3; Myxilla incrustans, i lot; 

 Halichondria lambei (C). Hydroids — Unidentified calyptoblast (C). 

 Anthozoans — Sea anemones, 22; Eunephthya rubiformis (octocoral) 

 (C). Bryozoans — Eucratea loricata (C) ; Emballotheca styiifera (C) ; 

 Porella minuta (C) ; Miicronella microstoma (C) ; Lichenopora ver- 

 rucaria (A) ; other encrusting forms (A) ; Flustrella gigantea (A). 

 Entoprocts — Barentsia gorbunovi, 2. Polychaetes — Autolytus fallax, 

 7. Ophiurans — Ophiura robusta, 4. Echinoids — Strongylocentrotus 

 drobachiensis, several. Holothurians — Psolus fabricii, 26. Cirri- 

 pedes — Balanus balanus (C); B. rostratus apertus (C). Amphi- 

 pods — Metopella nasuta, i ; Stenothoe barrowensis, n. sp., 2 ; Meto- 

 pelloides tattersalli (2d record of this species), i; Parapleustes 



