1880.] 



SPECIES OF ANATID,E. 



525 



Dates of Hatching of Tvfted Duels. 



1840. July 13th. 



1841. June 27th. 



1842. „ 19th. 



1843. May 30th. 

 „ June 5th. 



» 11th. 



1844. „ 10th. 

 „ July 29th. 



1845. June 11th. 



„ 17th. 



1846. „ 7th. 

 „ 12th. 



1847. „ 19th. 

 „ 23rd. 



1848. „ 17th. 



Dates of Hatching of hybrid Tifted and White-eyed Ducks. 



1849. June 26th. 

 July 20th, 



1850. June 21st. 



1851. July 8th. 



1853. „ 9th. 



1854. June 14th. 



„ 24th. 

 „ 28th. 

 „ July 5th. 



1854. July nth. 



1855, „ 2nd. 

 „ „ 5th. 



„ 22nd. 

 1857. June 19th. 

 1859. July 1st. 



» 4th. 

 1861. June 12th. 



Ring-necked Duck. 

 S. 1876, p. 400. 



3. FULIGULA COLLARIS (DonOV.). 



Fuligula collaris, Scl. et Salv. P. Z. 



Hab. North America. 



Not yet introduced into European gardens. 



4. Fuligula marila (Linn.). Scaup Duck. 

 Fuligula marila, Gould, B. Gr. Brit. v. t, 24. 

 Hab. Palaearctic and Nearctic Regions. 

 Exhibited first in 1845 and frequently siuce, but has not bred 



in our Gardens. 

 Continent. 



I am not sure that it has ever done so on the 



5. Fuligula affinis, Eyton, American Scaup Duck. 

 Fuligida affinis, Scl. et Salv. P, Z, S. 1876, p. 399. 

 Hab. Nearctic Region. 



Not yet introduced into European waters. 



6. Fuligula mariloides (Vigors). Chinese Scaup Duck. 



Fuligula mariloides, Vig. in Beechey's Voy. Zool. p. 31 ; Swinhoe, 

 P. Z.S. 1873, p. 412. 



Hab. China. 



We received three females of this somewhat doubtful species 

 from Mr. Swinhoe in 1873 (see P. Z. S. 1873, p. 312). 



7. Fuligula ferina (Linn.) Red-headed Pochard. 



Nyroca ferina, Gould, B. G. Brit. v. t. 20. 



Hab. Palsearctic Region. 



The Pochard occurs in the earliest list (1831). I am not sure 



