88 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 128 



Table 6. — Log of trapping through ice — continued 



Date Trap Data 



2- 7-50 Oil drum A large amphipod, Onisimus affinis, was found 



frozen on the ice wall of the hole, evidently 

 brought up with the trap. 

 Bait : chicken entrails plus decayed Arctic cod. 

 A single-mantle Coleman lantern had been 

 burning in the snow house over this hole from 

 10 a.m. until 9 p.m. Indirect lighting on the 

 hole. Light left on to burn overnight. 

 Chicken wire i Onisimus affinis 



2- 8-50 Oil drum 2 Arctic cod (one only 90 mm. long). The light 



was out at 8:15 a.m. 

 2- 9-50 " " I Arctic cod at 10:00 a.m. Nothing at 6 130 p.m. 



Chicken wire Set at 10 :oo a.m., resting on oil-drum trap, i 



Arctic cod at 6:30 p.m. A light had been 

 burning in snow house from 10 :oo a.m. until 

 6:30 p.m. 



2 Arctic cod 

 Nothing at 4:20 p.m. 

 4 Arctic cod at 3 :45 p.m. 

 10 Arctic cod, all stomachs empty. Traps had 



not been pulled for over three days. 

 Measurements, 7.5 to 12.1 cm. 



3 Arctic cod 



2 Arctic cod, about 5.0 cm. 

 I Arctic cod, about 12.0 cm. 

 I amphipod, Dnlichia spinosissima (ovigerous) 



DEPTH 21 FEET 



1-27-50 Lath Set today, unweighted and allowed to float up 



under the ice, which was 3 feet thick. 



1-28-50 " Nothing. The trap appeared to be frozen to the 



undersurface of ice. 



1-30-50 " 2 species of amphipods ; i small Arctic cod 



1-31-50 " Nothing. A light bulb and 2 dry-cell batteries, 



supported to prevent them from rolling around, 

 were placed in a gallon jar, which was fastened 

 inside the trap. The trap was lowered so that 

 the lower end projected into the water below 

 the surface of the ice. The hole was covered 

 with boards and snow. 



2- 1-50 Lath Nothing. Light was almost burned out. Replaced 



without the light. 



2- 3-50 " 2 Arctic cod (i, 103 mm. long, had 4 amphipods, 



Rosinante fragilis, in its stomach). Tempera- 

 ture of the air, — 30° F. The fish froze while 

 getting them out of the trap. 



