NO. 9 MARINE INVERTEBRATES, ALASKA — MacGINITIE 89 



Table 6. — Log of trapping through ice — continued 

 DEPTH 37 FEET 



Date Trap Data 



1-25-50 Oil drum i annelid, Autolytus jallax (female sacconereis 



with egg sac) 

 1-27-50 " " Amphipods (around bait) — 12 Anonyx nugax; 



I Orchomenella pinguis; i Tryphosa trian- 

 giila; i each of 2 other species 

 1-28-50 " " Nothing 



1-30-50 " " I annelid, Pectinaria hyperborea. i Anonyx 



nugax. i small clam 

 2-24-50 Screen Two cylindrical window-screen traps set today. 



No. I set at 10 feet, baited with decaying meat ; 

 No. 2 set at 20 feet, with 2 pieces of metal 

 foil suspended in it. 

 No. 3 (i-inch mesh) set today on the bottom. 



Baited with codfish waste. 

 No. I, nothing; No. 2, 6 Arctic cod 

 No. 3, 8 Arctic cod 

 Anonyx nugax (hundreds of small ones and a 



few large) ; 8 Arctic cod 

 10 Arctic cod (fish-tail bait) 

 Nothing (chicken entrails for bait) 

 I small Arctic cod 

 Anonyx nugax (few small) 

 I annelid, Eteone flava; 3 Arctic cod ; i Lycoda- 

 lepis Polaris (fish) 

 3-10-50 Screen Amphipods — several Anonyx nugax (from 10 



mm. to adult) ; 2 Pseudalihrotiis sp. (i female, 

 9 mm. long, with 16 maroon eggs that turned 

 orange in preservative ; egg sizes : 599, 632, 

 648, 664, 762, 782, and 794 microns ; i female 

 8 mm. long) ; i Pleiistes panoplus with eggs in 

 2-ceIled stage; 2 Tryphosa groenlandica ; 2 

 caprellids. Snails — 2 Buccinutn angulosum 

 normale; i B. angulosum subcostatum 

 3-1 1-50 " I jellyfish, Chrysaora sp. i annelid, Antinoe 



sarsi, 40 mm. long, shed sperm when water 

 temperature increased to that of room. Am- 

 phipods — I Hypcria medusarum; 5 of 2 un- 

 identified species ; 2 Ischyrocerus latipes, i 

 male and a female that had just lost its brood 

 of young. I snail, Buccinum angulosum 

 normale. 5 small sculpins 

 4-1 1-50 " Annelids — i Antinoe sarsi; 2 Phloe minuta; 5 



Nephtys ciliata (?) young 

 4-27-50 Wire mesh 2 Lycodalepis Polaris (29.8 cm. and 31 cm. long). 



One had swallowed an Arctic cod 14 cm. long 

 and the tail was protruding from its mouth 



