AVES ANATID^. 439 



Dates of Hatching of Ruddy-headed Geese. (In the Zoological 

 Gardens, London.) 



1865. April 30th. 1868. May ist. 



1866. May 8th. " " 25th. 

 June 5th. 1869. June 6th. 



1867. May 1 8th. 1870. May nth. 

 " June 4th. 



(P. L. Sclater, P. Z. S. pp. 503-504, il 



Chloephaga poliocephala Gray. 



Bernicla iiioytiata, Gray (nee. King), Gen. B. Ill, p. 607, pi. 165 (1844) ; 

 Cass. U. S. Expl. Exped. Birds, p. 337 (1858: Tierra del Fuego & 

 Falkland Isl.) ; Scl. Ibis, 1859, p. 327. 



Chloephaga poliocephala, Gray, List B. Brit. Mus. Part III. p. 127 part 

 (1844: Island of Chiloe) ; Scl. P. Z. S. 1857, P- 128, 1858, p. 290; 

 Gould, P. Z. S. 1859, p. 96 ; Scl. t. c. p. 206 (incubation) ; id. P. Z. S. 

 1861, p. 46 (Falkland Isl.) ; Abbott, Ibis, 1861, p. 159 (Falkland Isl.) ; 

 Scl. Ibis, 1864, p. 122 ; id. P. Z. S. 1867, p. 335 ; Scl. & Salv. Ibis, 

 1868, p. 189 (Oazy Harbour) ;Cunningh. Ibis, 1869, p. 233; Scl. P. Z. 

 S. 1869, p. 629 (breeding) ; Eyton, Syn. Anat. p. 29 (1869) ; Scl. & 

 Salv. Ibis, 1870, p. 499 (Port Grappler) ; Scl. P. Z. S. 1871, p. 261 

 note; Gray, Handl. B. III. p. 77, no. 10589 (1871); Cunningh. 

 Nat. Hist. Str. Magell. pp. 184, 185 (1871) ; Scl. & Salv. Nomencl. 

 Av. Neotr. p. 128 part (1873); iid. P. Z. S. 1878, p. 436 (Gray 

 Harbour : Tom Harbour) ; Gigl. Viagg. Magenta, pp. 933, 937, 

 943, 946 (1876) ; Scl. P. Z. S. 1 88 1, p. 813; Doering, Expl. al 

 Rio Negro Zool. Aves, p. 53 (1882); Shufeldt, Proc. U. S. Nat. 

 Mus. X. p. 383 (1887); Salvad. Cat. B. Brit. Mus. XXVII, p. 137 

 (1895); Schalovv, Zool. Jahrb. Suppl. IV. p. 677 (1898); Sharpe, 

 Hand-list B. I. p. 214 (1899); Martens, Hamb. Magalh. Sammelr. 

 Vog. p. 24 (1900: Patagonia: Falkland Islands). 



Bernicla poliocephela, Scl. Ibis, 1859, p. 328; Pelz. Reise Novara, Vog. p. 

 136 (1865 : Chiloe) ; Burm. P. Z. S. 1872, p. 366 (Bahia Blanca) ; 

 Huds. t. c. p. 549 (Rio Negro) ; Scl. & Salv. P. Z. S. 1876, p. 366 ; 

 Durnf. Ibis, 1877, p. 190 (Buenos Aires, winter), 1878, p. 400 (Chupat 

 Valley, winter, March to Sept. : Lake Colgaupe, breeds) ; Scl. P. Z. S. 



