180 



and of a very light cream-colour. They measure from 2-05 to 2-4 

 in length, and from 1-52 to 1-75 iu breadth. 



1. Argentine Republic. 



1. Argentine Republic, 20th Oct. 



6. Argentine Republic, Nov. 



3. Chile. 



9. Central Chile, Oct. 



1. Laid in confinement (Zool. Garden?, 

 London). 



A. H. Holland, Esq. [C.l. 

 A. n. Holland, Es^q. fC.l. 

 A. H. Holland, Esq. [C.J. 

 Crowlej' Bequest. 

 Berkeley James Coll. 

 Zool. Societv. 



Genus AYTHYA, Boie. 

 Aythya ferina (Linn.). 



Anas ferina, Thien. Forfpflanz. c/es. Viig. tab. l.Kxi.x. fig. 2 (1845-54). 

 Fuligula ferina, BacdeAer, Eier Eur. Vih/. tab. 23. rig. 1 (1855-63) ; 



Hewitson, E(/ys of Brit. Bird^, ii. p. 423, pi. cxvii. fig. ii (1856) ; 



Tristram, ihis, i860, p. 81 ; Dresner, Birds Eur. vi. p. 551 (1878) ; 



Hume Sf Marsh. Game Birdi Lid. iii. p. 247 (1880) ; Seebuhm, Brit. 



Birds, iii. p. 575, pi. 64 (1885) ; id. Eggs of Brit. Birds, p. 45, 



pi. 14. fig. 5 (189()). 

 iS'yroca ferina, Salvadori, Cat. Birds B. M. xxvii. p. 335 (1895). 

 Aythya ferina, Sharpe, Hand-l. i. p. 222 (1899). 



The eggs of the Common Pochard are mostly of an oval form and 

 some are elliptical They possess a considerable amount of gloss 

 and are of a grcenish-drab or greyish-green colour. They measure 

 from 2-2 to 2-45 in length, and from IG to 1*72 in breadth. 



2. Loch Awe, June (Haryitt Coll.). 

 1. Dunvegen, Skye, 10th June {E. J'. 

 Seebohm). 



1. Hornsea Mere, Yorkshire [U'ollei/ 



Coll.). , 



2. Merton, Norfolk, 14th :\Iay (IL 



Seebohm). 



6. Tiing, Hertfordshire, 27th June 



(H. S.}. 



7. Hertfordshire, 22nd :\Iay ( //. ,/. 



Eiwes). 



8. Archangel (Pioftuch). 



8. Brandenburg, Germany, 2nd May. 



5. Klosterhof, 4th June (Bitssow). 



1. Zana, Algeria, 8th June (ff. B. 



Tritfram). 

 ]. Zana, 10th June (H. R. Trisfrain). 



Seebohm Coll. 

 Seebohm Coll. 



Crowley Bequest. 



Seebohm Coll. 



Seebohm Coll. 



Seebohm Coll. 



Seebohm Coll. 

 Crowley Bequest. 

 Seebohm Coll. 

 Crowley Bequest. 



Oowley Request. 



Aythya americana {Bi>.). 



-Ethvia americana, Baird, Brewer if Ridqic. Water Birds N. Am. ii. 



p. 36 (1884). 

 Nyroca americana. Salvadori, Cat. Birds B. M. xxvii. p. 340 (1895) ; 



Nehrk. Kat. EiersTmml. p. 246 (1899). 

 Ayth_\a americana, Sharpe, Hand-l. i. p. 222 (1899). 



The eggs of the American Red-headed Pochard closely resemble 



