78 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 1 28 



pulchellus, I ; Eusirus cuspidatus , 6 ; Melita dentata, 3 ; Guernea nor- 

 denskioldi, 1 ; Ericthonius tolli, 30. Decapods — Eualiis gaimardi, 38 ; 

 Hyas coarctatus alutaceus, 3. Pelecypods — Astarte borealis, 2 ; Cardita 

 crassidens, 8; Liocyma becki, 4. Gastropods — Admete middendorffi- 

 ana, 2 ; Ptychatractus occidentalis, 3 ; Neptunea ventricosa, 2 ; Buc- 

 cinum plectrum, 6; B. polare, 2; Piliscus comniodus, 6; Boreo- 

 trophon clathratus, 3 ; Natica clausa, 5 ; Polinices pallidtis, 2 ; 

 Margarites costalis, 31. Amphineurans — Trachydermon alhiis, 3; 

 Symmetrogephyrus vestitus, 10. 



Station 46 was also in the rubble zone. Although common, the 

 encrusting bryozoans were not so abundant at this station as at the 

 following station. Animal life was only fairly abundant : Hydroids — 

 Lafoeina maxima (AA). Anthozoans — sea anemones, 8. Nemer- 

 teans — Tetrastemma sp., several; Amphiporus pacijicus, 2. Brachi- 

 opods — Diestothyris spitzhergensis, 7. Bryozoans — Lichenopora 

 verrucaria (C) ; Alcyonidium poly own (C). Polychaetes — Har- 

 mothoe extenuata, 4; H. imhricata, 15. Ophiurans — Ophiiira nodosa, 

 I (the only specimen taken). Echinoids — Strongylocentrotus dro- 

 hachiensis, few (the largest specimens taken). Holothurians — P solus 

 jahricii, 3. Cirripedes — Balanus crenatus, few (C). Amphipods — 

 Onisimus affinis, 2 ; Ampelisca birulai, 3 ; Byblis gaimardii, A ; Hap- 

 loops laevis, 5+ ; Ischyroccrus latipes (C) ; caprellids (C). Deca- 

 pods — Pandalus goniurus, 2; Eualus gaimardi (C) ; Pagurus 

 splendescens, 2; P. trigonocheirus, 5; Hyas coarctatus alutaceus, 17 

 (some especially large specimens). Pelecypods — Astarte borealis, 2; 

 A. montagui, 5. Gastropods — Neptunea sp., 4; A^. ventricosa, 3; 

 Epitonium greenlandicum, 2. 



Station 47 was in a particularly rich area of the rubble zone. 

 The abundance of its fauna was comparable to that of Stations 20 

 and 44: Sponges — Leuconia ananas, 5 + . Hydroids — Unidentified 

 calyptoblast (C) ; Lafoeina maxima (C). Anthozoans — Sea anem- 

 ones, 15. Turbellarians — Notoplana atomata, 9. Nemerteans — Am- 

 phiporus angidatus, 12; A. lactifloreus, lo-f- ; A. pacificus, 8 + . Sipun- 

 culids — Golfingia margaritacea, 3. Bryozoans — Eucratea loricata 

 (AAA) ; Electra crustulenta (A) ; Bidenkapia spitsbergensis (AA) ; 

 Tricellaria erecta (AA) ; Dendrobeania murrayana (A) ; Ragionula 

 rosacea, several col. ; Pachyegis princeps (A) ; Costasia nordenskjoldi 

 (A): Hincksina nigrans (A); other species encrusting on stones 

 (AA) ; Lichenopora verrucaria (C). Entroprocts — Barentsia gor- 

 bunovi (A). Polychaetes — Eunoc nodosa, 5; Harmothoc extenuata, 

 ^i; H. imbricata, 29; Pholoe minuta, 8; Eteone flava, 6; Eumida 

 minuta^ 10; Autolytus fallax, 6; Eusyllis blomstrandi, 30; Syllis fas- 



