292 Mr. G. E. H. Barrett-Hamilton on 
having used my information, and quoted my authority for 
the redness of the legs. Dr. Stejneger has not given us the 
colour of the legs of immature birds, but it would seem from 
m}^ note that the legs become deeper red as the bird grows 
older, until, in the adult, the red is so deep that they dry to 
black in preserved specimens. 
Stercorarius parasiticus. [S. crepidatus.] 
No. 17. S * (0 of light form, Karaginski Island, August 22, 
1897. Colour of soft parts black, except the fleshy base of 
the bill. 
Hvematopus osculans Swinhoe. 
No. 18. Petropavlovsk ( Mr . Jacobleff). 
Arenaria interpres (Linn.). [Strepsilas interpres.] 
No. 19. Sexed $, Petropavlovsk, August 28, 1897. 
Nos. 20-21. <$ (!) and one unsexed, Karaginski Island, 
August 22 or 23, 1897. Colour of legs yellowish red. 
No. 22. $, Karaga Village, August 21, 1897. Colour 
of bill horn; of iris and claws dark ; of legs salmon-yellow. 
— iEGiALiTis mongola (Pallas). 
No. 23. $ (!), Karaga Village, August 21, 1897. Colour 
of bill black; iris and claws dark; legs and feet greenish. 
Actodromas rueicollis (Pallas). 
Nos. 24-29. 2c?(!), 4$ (!), Karaga Village, August 21, 
1897. Colour of bill and legs black. 
No. 30. $ (!), Karaginski Island, August 22 or 23, 1897. 
Colour of bill and legs black. 
Terekia cinerea (Giildenst,). 
Nos. 31-32. S (!) and one unsexed, Karaginski Island, 
August 22 or 23, 1897. Colour of legs yellow. Dr. Stej- 
neger’s only specimen of this bird was obtained on Bering 
Island. 
* The sign (!) is .added to specimens which I skinned and sexed myself. 
It throws no doubt on the sexing of specimens not thus marked, which 
were skinned and sexed by various trustworthy local persons. 
