84 BULLETIN 201, UNITED STATES NATIONAL MUSEUM 



Figure 22. — Archaeomysis grebnitzkii Czerniavsky: a, Seventh thoracic limb, X IS; b, 

 first pleopod of female, X 45; c, second pleopod of female, X 45; d, third pleopod of female, 

 X 45; e, fourth pleopod of female, X 45;/, fifth pleopod of female, X 45. 



Occurrence. — North Pacific region: Bering Island, from mouth 

 of cod, N. Grebnitzky collector, 2 adult females ( ? co types) , breeding, 

 17 mm.; St. Paul Island, Bering Sea, W. Palmer, collector (No. 30e), 

 July 18, 1890, 1 adult female, breeding, 14 mm.; the Albatross col- 

 lected material at Unalaska, shore, May 26, 1906, 1 adult female, 

 breeding, 15 mm., and from Kiska Island, Aleutian Islands, remains 

 of 2 females from the stomach of an eider duck (Oidemia deglandii). 

 California: The Albatross collected 2 adult breeding females from 

 Half Moon Bay, April 23. 1890. British Columbia : Gabriola Island, 



