Invertebrate catch by stations (Continued ) 



Station: F-10 (Cent.) 



Chionoecetes sp. 

 Hyas coarctatus alutaceus 

 Enmacrus isenheckii 

 MoUusca 

 Gastropoda 



Mohnia sp. (Perhaps M. robusta or 



M. frielei) 

 Neptune a lyrata 

 Echinodermata 

 Asteroidea 



Asterias amurensis 

 Ophiuroidea 



Ophiopholis aculeata 

 Ophiura sarsii 

 Gorgonocephalus caryi 

 Holothuroidea 

 Cucumbers 

 Chordata 

 Ascidiacea 



Boltenia ovifera 



Station: 



Range of depth: 

 Bottom type: 

 Range of temp.: 



F-11* 



47-48 fathoms 

 muddy sand 

 '-0.9* to +3.8' C. 



Fori f era 

 Coelenterata 

 Hydroids 

 Alcyonacea 



Gersemia ruhriformis 

 Annelida 

 Arthropoda 

 Crustacea 

 Amphipoda 

 Isopoda 

 Cirripedia 

 Balanus hesperius 

 Balanus crenatus 

 Balanus rostratus apertus 

 Balanus balanus balanus 

 Decapoda 

 Pandalus borealis eous 

 Pagurus alaskensis 

 PaguTus aleuticus 

 Pagurus brandti 



Pagurus tenuimanus 



Paralithodes camtschatica 



Oregonia gracilis 



Chionoecetes sp. 



Hyas coarctatus alutaceus 



Hyas lyratus 



ErimacTus isenbeckii 



Cancer oregonensis (juveniles) 

 MoUusca 

 Pelecypoda 



Nucula bellotii 



Yoldia myalis 



Astarte montagui (probably) 



Cardita crebricostata 



Diplodonta aleutica 



Tellina lute a 



Macoma planiuscula 



Spisula voyi 

 Gastropoda 



Solariella obscura 



Tachyrhynchus erosum 



Crepidula grandis 



Polinices nanus 



Fusitriton oregonensis 



Neptune a lyrata 



Plicifusus brunneus 



Admete couthouyi 



Oenopota (Turritomella) sp. 

 Echinodermata 

 Asteroidea 



Henricia sanguinolenta ? 



Pteraster obscura 



Asterias amurensis 

 Ophiuroidea 



Ophiopholis aculeata 

 Holothuroidea 



Cucumbers 

 Chordata 

 Ascidiacea 



Boltenia ovifera 



Colonial tunicates of family 

 Synoicidae 



Station: 



Range of depth: 

 Bottom type: 

 Range of temp.: 



F-12 



37-38 fathoms 



dark sand 



-0.8* to +4.3* C. 



* Dredge and otter trawl used. 



57 



