ANATIDvE. 247 



677. Cygnus nigricollis (Gm.). Black-necked Swan. 

 Hab. Antarctic America. 



a, b. Males. Bred in the Gardens, June 23, 1858. 

 c. Female. Eeceived in exchange, April 12, 1862. 

 d-f. Bred in the Gardens, May 19, 1865. 

 g. Bred in the Gardens, May 4, 1866. 

 h. Bred in the Gardens, May 9, 1867. 

 i,j. Bred in the Gardens, June 22, 1868. 

 k. Purchased, July 25, 1868. 

 I. Male. Received in exchange, Jan. 12, 1869. 

 m, n. Males ; o, p. Females. Purchased, July 6, 1870. See 

 P. Z. S. 1870, p. 665. 



678. Cygnus atratus, Lath. Black Swan. 

 Hab. Australia. 



a. Male. Purchased, Jan. 15, 1858. 



b. Female. Presented by Dr. Mueller, C.M.Z.S., Sept. 19, 



1860. From Melbourne. 



c. Bred in the Gardens, Nov. 11, 1864. 

 d-g. Purchased. Oct. 19, 1865. 



h. Male. Purchased, Oct. 27, 1865. 



i,j. Deposited, March 12, 1866. 



Jc-m. Deposited, Feb. 11, 1867. 



n. Male; o. Female. Presented by John P. Gassiot, Esq., jun., 



F.Z.S., June 14, 1867. 

 p. Presented by H. R. Cox, Esq., Jan. 11, 1869. 



679. Cygnus coscoroba (Mol.) . Chilian Swan. 

 Hab. Antarctic America. 



a, b. Purchased, July 6, 1870. See P. Z. S. 1870, p. 666. 

 c. Male ; d. Female. Purchased, May 16, 1871. 

 e. Purchased, Oct. 4, 1871. 



Subfamily ANATIN^E. 



Genus DENDROCYGNA*. 



680. Dendrocygna viduata (Linn.). White-faced Tree-Duck. 

 Hab. Brazil. 

 a-c. Presented by W. D. Christie, Esq., F.Z.S., May 28, 1862. 



* On the Dendrocijgnce in the Society's Gardens, see Sclater, P.Z. S. 

 1864, p. 299, and 1866, p. 148. 



