164 ANATID^. 



The eggs of Mailer's Duck are of a blunt oval form and smooth, 

 possessing a fair amount of gloss, and being of a rich cream-colour. 

 They measure from 1'9 to 2 in length, and from l-4(j to 1"51 in 

 breadth. 



5. Betsileo, Madagascar. Rev. "W. Deans Cowau [P.]. 



3. Tanala, Madagascar ( IF. Beans Crowley Bequest. 



Cmvan). 



1. Madagascar. Crowley Bequest. 



Anas ohscura, &m. 



(Plate VI. fig. 3.) 



Anas ohscura, Scl. P. Z. S. 1880, p. 517 ; Baird, Brewer ^ Ridgw. Water 

 Birds N. A771. i. p. 499 (1884) ; Salvadori, Cat. Birds B. M. xxvii. 

 p. 200 (1895) ; Sharpe, Hand-l. i. p. 216 (1899) ; Nthrk. Kat. Eier- 

 samml. p. 244 (1899). 



The eggs of the Dusky Duck are of an elliptical or blunt oval 

 shape, smooth, rather glossy, and of a pale greyish-green colour. 

 They measure from 2-3 to 2-42 in length, and Irom 1-62 to 1"76 in 

 breadth. 



1. North America [Smiths. Inst.). Salvin-Godman Coll. 



1. North America {Henshaiu Coll.). Salvin-Godman Coll. 



1. River St. Croix, New Brunswick. Salvin-Godman Coll. 



2. St. Stephens, New Brunswick {H. Crowley Bequest. 



E. Dresser : Tristram Coll.). 



1. Maine, U.S.A. [J. G. Bell: Tris- Crowley Bequest. 



tram Coll.). 



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



London) . 



Anas superciliosa, Gm. 



Anas superciliosa, Gould, Handh. Birds Austr. ii. p. 363 (1865) ; Potts, 

 Trans. Neio Zeal. Inst. ii. p. 72 (1869) ; Layurd, P. Z. S. 1875, 

 p. 440; id. Ibis, 187(), p. 393; Bulle?; Birds Neio Zeal. 2nd ed. ii. 

 p. 251 (1888) ; No7-ih, Aesfs ^ Eggs Austr. Birds, p. 341 (1889) ; 

 Salvadori, Cat. Birds B. M. xxvii.'p. 206 (1895) ; S/iarj^e, Hand-l. 

 i. p. 216 (1899) ; Ne/irfc. Kat. Eiersamml. p. 244 (1899) ; Campbell, 

 Nests ^ Eggs Austr. Birds, ii. p. 1033 (1901). 



The eggs of the Australian Black Duck are elliptical or oval in 

 shape, and vary from cream-colour to pale brown, occasionally faintly 

 tinged with green. A few eggs are fairly glossy ; others are without 

 gloss. They measure from 2'05 to 2*5 in length, and from 1'55 to 

 1-7 in breadth. 



1. Australia. Sir D. Cooper [P.]. 



2. Australia. Gould Coll. 

 1. Australia, 30th Aug. Gould Coll. 



6. Dawson River, Queensland. Crowley Bequest. 



1. Gippsland, Victoria. F. A. Philbrick, Esq., K.C. 



[P.]. 



