154 



ORNITHOLOGICAL EXPLOKATIONS. 



among tbe fresb-water ducks ou the island. Still, ou the 20tli of May 

 1 fomid tbem in flocks, but soon tbe pairs dispersed over the tundras 

 and tbe swamps of the valleys, and already the 4tli of June a nest 

 with seven eggs was secured on Toporkoff Island; six days after, an- 

 other nest with five eggs was taken. 



I have no sure record of its having been found breeding in Copper 

 Island, where, in fact, localities suitable for fresh-water ducks are 

 ratber scarce. But I have little doubt that a few pairs breed in Pest- 

 scbauij or in Gladkovskij. 



The eggs measure as follows : 



List of specimens. 



Locality. 



w 



92832 

 89105 

 101208 

 101209 



1397 



1400 



G. 121 



G. 95 



Bering Island 

 .... do 



do 



do 



Aug. 3,1882 

 Ang. 5,1882 

 June — , 1884 

 May 20, 1884 



mm. 

 44 

 42 

 52 

 SO 



•* Pi imaries not yet fully out. 



No. 92832.— Tris dark brown. Bill bluish gray, blackish towards tip. Feot brownish gray, lighter and 

 sonjcwhat yellowish on tlie front of tarsus and toes. 



No. 8910J.— Iris blacliish brown. Feet brownish gray, with a greenish tinge, and more yellowish on 

 front of tarsus and toes. 



