NO. 9 MARINE INVERTEBRATES, ALASKA — MacGINITIE 9I 



Table 6. — Log of trapping through ice — continued 



Date Trap Data 



(few). 2 Orchomenella pinguis (females with 

 maroon eggs ; one also had a parasitic cope- 

 pod in its marsupium). 16 snails — 3 Buccinum 

 polar e; 13 B. angulosum (including the typical 

 form and three varieties) 

 5-30-50 " I snail, B. angulosum variety 



DEPTH 80 FEET, 1.6 MILES FROM SHORE 



Data 

 Set today 



1 hydromedusa, Halitholus cirratus. i small 

 unidentified amphipod 



3- 9-50 Wire I Halitholus cirratus. Anonyx nugax (abun- 



dant). 3 shrimps. I crab, Hyas coarctatus 

 alntaceus 



3-11-50 Screen Anonyx nugax (few), i hermit crab, Pagurus 



trigonocheirus (female), i Arctic cod 

 Wire 7 Arctic cod (trap suspended 7 feet down in 



water) 



3-13-50 Screen Anonyx nugax (few), i Dulichia spinosissima 



(amphipod). i small shrimp 



3-14-50 " Anonyx nugax (abundant). 9 shrimps, Eualus 



gaimardi (8 with developing eggs showing 

 through as green masses) 



3-17-50 " I amphipod, Macra danae (female, 18 mm.). 2 



shrimps, Eualus gaimardi (with green eggs 

 showing through integument) 



3-19-50 " I small sculpin {2,7 mm. long) 



3-20-50 " I ctenophore, Beroe cucumis. i nemertean, Am- 



phiporus lactifloreiis. 7 amphipods, Hyperia 

 mcdusarmn (i ovigerous female, 3 immature 

 females, 3 adult females). 3 snails — i Buc- 

 cinum polare ; 2 B. angulosum transliratum 



3-29-50 " Amphipods — i Monoculodes borealis; i Acerodes 



latipes 



4- 7-50 " Nothing. Strong northeast winds for several 



days had altered ice conditions at this station. 



Ice house caved in. 

 4-15.50 " I shrimp, Eualus gaimardi (with green eggs 



showing through integument) 

 5-23-50 " Nothing in trap. Several jellyfish, Cyanea ca- 



pillata, on surface of water at this hole. 



DEPTH 80 FEET, 1.8 MILES FROM SHORE 



Data 



2 amphipods, Socarnes bidenticulatus (young) 

 I snail, Buccinum polare (large). Amphipods — 



6 Hyperia galba. 



