ORNITHOLOGICAL EXPLORATIONS. 



153 



On Copper Island it is only met with during the migrations, as there 

 are few or no localities suitable for it to breed. • 

 In Kamtschatka it is, of course, of common occurrence. 



List of S2)(cimciis. 



Eemarks. — Iris dark brown. Bill olive; nail black. Feet light salmon red; webs blackish towards 

 the middle. 



Eggs were taken during the first part of June and measure as follows: 



U. S. Nat. Mus. No. 2179.5, Stejn. No. 117'2, Toporkoff Island, June 6, 1882; belonging 

 to a clntch of nine; 60 by 41.o"i"'; 59 by 42.5°"". 



Mns. No. 21781, S. No. 2194, Kamennij Vail.. Bering Island, June 19, 1883; set com- 

 plete : 50.5 by 44''""' ; 56.5 by 44""™ ; 56.25 by 42.5""i ; 55 by 4;J'"°' ; 56 by 42'°"' ; 56 by 

 42.-5"™ : 56 by 42.5™'". 



64. Dafila acuta (Lix.). 



1758. — Anas acuta Lin., Syst. Nat., 10 ed., I, p. 126.— Nordmann in Ernian's Verz. Th. 

 Pfl., p. 18 (1835).— Temm. & SCHLEG., Faun. Jap. Av. (p. 128).— Middexd., 

 Sibir. Eeis., II, 2 (p. 233) (1853).— Kittl., Dcukw., II, p. 292 (1858).— 

 SciiKEXCK, Reis. Aniuil., T, p. 481 (I860).— Radde, Reis. Slid. Ost-Sibir. II 

 (p. 371) (1863).— SwiNii., P. Z. S., 1863, p. 324.— PuzRW., Putescli. Ussur. 

 (n. 204) (1870).— FiNSCil, Abb. Brem. Ver., Ill, 1872, p. 66— Dafila a. Cassin, 

 Exp. Jap. Perry, II, p. 231 (1857).— SwiNH., Ibis, 1861, p. 345.— M., ibid., 

 1867, p. 399.-/rf., ibid., 1877, p. U7.—Id., P. Z. S., 1871, p. 413.— Blakist., 

 Ibis, 1862, p. 332.-7(7., Amend. List B. Jap., p. 9 (1884).— WarrELY. Ibis, 

 1867, p. 207.— Dall & Bannist., Tr Chicng. Acad., I, 1869, p. 297.— 'J a- 

 CZAN., J. f. Orn., 1873, p. 109.- W., ihid., 1874, p.337.— Zd., Orn. Fanu. Vost. 

 Sibir., p. 60(1877).— Id., Bull. Soc. Zool. France, 1877, p. 4o.—Id., ibid., 1883, 

 p. 343.— Blakist. & Pryer, Ibis, 1878, p. 213.— 7«Z., Tr. As. Soc. Jap., VIII, 

 1880, p. 184.— /if?., ibid., X, 1882, p. 97.— Seeb., Ibis, 1879, p. 22.— Nei.sox, 

 Cruise Corwiu, p. 96 (1883). 



1816. — Anas caudacuta Leacii, Syst. Cat. M. B. Brit. Mus., p. 38.— Pall., Zoogr. Ross. 

 As., II, p. 280 (1826). 



The Pintail (Russ. ^^Vostrochvost^^) arrives at Bering Island during 

 the latter part of April. In 1883 I observed the first ones, while on a 

 sledge trip to the southern end of the island, between Comandore and 

 Polovino, on the 23d of April. Four days later they were seen in the 

 neighborhood of the village. From this time on they were found every- 

 wherein suitable places, as this species is undoubtedly the most numerous 



