ANATID^E. 83 



e. Male. /. Female. Bred in the Gardens, June 2, 1861. 

 g. Male. Hybrid between Indian specimen of this species and 

 female Casarca cana (Gm.). 



373. Casarca cana* (Gmel.). White-faced Sheldrake. 

 Hab. South Africa. 



a. Female. Purchased, Nov. 8, 1851. 



374. Casarca tadorno'ides, Jard. et Selb. Australian Shel- 



drake. 

 Hab. South Australia. 



a-d. Females. Presented by the Hon. J. C. Hawker, Speaker 

 of the House of Assembly, Adelaide, April 3, 1862. 



Genus Aix. 



375. Aix sponsa (Linn.). Summer Duck. 

 Hab. North America. 



a. Male. b, c. Females. Bred in the Gardens, May 24, 1859. 



d. Male. Hybrid between this species and Fuligula ferina 



(Linn.). Received in exchange from the Zoological Gar- 

 dens, Amsterdam, Nov. 11, 1860. 



e, f. Males. Hybrids between this species and Nyroca leucoph- 



thalma (Bechst.). Received in exchange from the Zoo- 

 logical Gardens, Amsterdam, Nov. 11, 1860. 



376. Aix galericulata (Linn.). Mandarin Duck. 

 Hab. China. 



a, 6. Males, c. Female. Bred in the Gardens, June 2, 1859. 



d. Female. Received in exchange from the Zoological Gar- 



dens, Antwerp, Dec. 23, 1858. 



e, f. Females. Purchased, Sept. 20, 1860. 



Genus MARECA. 



377. Mareca penelope (Linn.). Wigeon. 

 Hab. Europe. 



a. Presented by Earl Fitzwilliam, Feb. 11, 1858. 



b. Male. c. Female. Supposed hybrids between this species 



and the Teal (Querquedula creccd). 



Genus DAFILA. 



378. Dafila acuta (Linn.). Pintail. 

 Hab. Europe. 



a, b. Males, c. Female. Bred in the Gardens, May 15, 1861. 

 d, e, /. Females. Bred in the Gardens, May 16, 1860. 



* For hybrids from this specimen see Casarca rutila and Tadorna vulpanser. 



G 2 



