MARECA. NETTIUM. 169 



4. Souris River, W. Canada (G. M. N. Amer. Bound. Comm. 



Datvson). 



10. Devil's Lake, Dakota, 6th July Crowley Bequest. 

 (E. S. Bryant). 



Mareca sibilatrix, Poepp. 



Maveca sibilatrix, Sol. P. Z. S. 1880, p. 514 ; id. $ Huds. Argent. Orn. ii. 

 p. 1:35 (1889) ; Holland, Ibis, 1892, p. 208 ; Salvadori, Cat. Birds 

 B. M. xxvii. p. 236 (1895) ; Sharpe, Hand-L i. p. 218 (1899) ; Nehrk. 

 Kat. Eiersamml. p. 244 (1899) ; von Ihering, Rev. Mus. Paulista, 

 iv. p. 279 (1900). 



The eggs of the Chiloe Wigeon vary from cream-colour to very 

 pale brown. Mr. Hudson (I. c.) states that the eggs of this Wigeon 

 are pure white. Six examples measure respectively : 2-31 by 1'6 ; 

 2-37 by 1-57 ; 2-38 by 1-57 ; 2-3 by 1-62 ; 2-19 by 1-57 : 2-12 by 

 1-62. 



1. Laid in confinement (Zool. Gardens, Zool. Society. 



London). 



2. South America. Crowley Bequest. 



3. Argentine Republic, Nov. A. H. Holland, Esq. [C.] 



Genus NETTIUM, Kavp. 



Nettium formosum (Georgi). 



Anas glocitans, Midd. Sibir. Reis. ii. p. 230, tab. xxiii. figs. 1 & 2 (1853). 

 Querquedula formosa, Dresser, Birds Eur. vi. p. 521 (1871). 

 Anas formosa, Tacz. Faune Orn. Siber. Orient, p. 1138 (1893). 

 Nettion formosum, Salvadori, Cat. Birds B. M. xxvii. p. 240 ^1895). 

 Nettium formosum, Sharfje, Hand-L i. p. 218 (1899) ; Nehrk. Kat. Eier- 

 samml. p. 244 (1899). 



The egg of the Baikal Teal in the Collection is of a pointed oval 

 form, very smooth, but without gloss. It resembles many of the eggs 

 of the Common Teal, being cream-colour tinged with green. It 

 measures 2 by 1'4. 



1. Amur-Land, 10th June. Crowley Bequest. 



Nettium crecca (Linn.). 



Anas crecca, Thien. Fortpflanz. ges. Vog. tab. Ixxx. fig. 2 (1845-54) ; 



Hewitson, Eggs of Brit. Birds, ii. p. 410, pi. cxiv. fig. ii (1856); 



Seebohm <y Harvie-Broion, Ibis, 1876, p. 443 ; Seebohm, Brit. Birds, 



iii. p. 545, pi. 66 (1885) ; id. Eggs of Brit. Birds, p. 40, pi. 16. nX 3 



(1896). 

 Querquedula crecca, Baedeker, Eier Eur. Vog. tab. 61. fig. 6 (1855-63) ; 



Dresser, Birds Eur. vi. p. 507 (1871) ; Hume # Marsh. Game Birds 



Ind. iii. p. 205 (1880). 



Nettion crecca, Salvadori, Cat. Birds B. M. xxvii. p. 243 (1895). 

 Nettium crecca, Sharpe, Hand-l. i. p. 218 (1899). 



