AVES LARID^E. 



21 I 



Bds. I. p. 140 (1899); Salvad. Ann. Mus. Genov. (2) XX. p. 630 

 (1900: Punta Arenas, May: Rio Pescado, May); Martens Hamb. 

 Magalh. Sammelr. Vog. p. 17 (1900: South Patagonia); Gates, 

 Cat. Bds. Eggs, Brit. Mus. I. p. 208 (1901). 



Xema (Chroicocephahis] cirrocephalum, Gould, Voy. "Beagle," Birds, 

 p. 142 (1841: Straits of Magellan); Fraser, P. Z. S. 1843, P- TI 9 

 (Chile). 



Xema cirrhocephala, Gray (nee. Vieill.), List B. Brit. Mus. Part III. p. 

 173 (1844: Falkland Islands and Straits of Magellan). 



Larus cirrhocephalus, Des Murs. (nee. Vieill.), in Gay's Hist. Chil. 

 Zool. I. p. 482 (1847); Pelz - Reis - Novara, Vog. p. 151 (1865: 

 Chile, breeding); Sharpe, P. Z. S. 1881, p. 16 (Talcahuano, Sep- 

 tember). 



Larus albipennis, Peale, U. S. Expl. Exped. p. 288 (1848: Chile); Cass. 

 t. c. p. 379 (1858: coast of Chile). 



FIG. 125. 



Larus glancodes. Adult male. Natural size. From material in British Museum. 



Chroicocephalus glaucotes, Bruch. J. f. O. 1853, p. 105 (Chile) id. ; 1855, 

 p. 291 ; Licht. Nomencl. Av. Mus. Berol. p. 98 (1854). 



