198 



y. Larus cirrhocephalus. 



La Gabiota cenicieiita, Azara, Apunt. iii. p. 350 (1802 : Argentina). 

 LaruB cirrhoceplialiis, Vieillot, Nouv. D,cf. d'Hist. Nat. xxi. p. -502 



(1818: Brazil) ; id. Enc. Meth. p. 345 (1824) ; id. Gal. Ois. ii. 



p. 223, pi. 289 (1834); Hartl. hid. Azara, p. 26 (1847); Gay, 



Hist. Chile, Zool.i. p. 482 (1847 : copied from Vieill.) ; Blyt.h, Cat. 



B. Mus. A. S. B. p. 289 (1849 : Peru) ; Schlei/el, Mvs. P.-Bas, 



Lari, p. 37 (1863 : partim) ; Scl. ^ Salv. P. Z. S. 1871, p. 578 ; 



iid. Nome7icl. Av. Neotrop. p. 148 (1873) ; Saunders, P. Z. S. 1874, 



p. 292 (critical) ; Durnford, Ibis, 1877, p. 201 (Prov. of Buenos 



Ayre.«) ; Saunders, P. Z. S. 1878, p. 204 (revision Larinje) ; Gibson, 



Ibis, 1880, p. 163 ; Saunders, P. Z. S. 1882, p. 525 (Payta, I'eru) ; 



Taczan. Orn. Perou, iii. p. 455 (1886) ; J. P. H. MacFarl. Ibis, 



1887, p. 208 (Pavta) ; Scl. ^ Hudson, Argent. Orn. ii. p. 201 



(1889) ; Holland, Ibis, 1890, p. 428 ; id. op. eit. 1892, p. 213 (Prov. 



Buenos Avres) ; Ousfalet, Miss. Sc. Cap Horn, vi. p. 308 (1891) ; 



BerlepschSf Stolzm. P. Z. S. 1892, p. 400 (Peru) ; Ajilin, Ibis, 1894, 



p. 211 (Monte Video) ; Holland, Ibis, 1895, p. 216 (Prov. B. 



Ayres, nesting in company vsdth L. macuUpennis) . 

 Larus poliocephalus, Temm. Man. d'Orn. ii. p. 780 footnote (1820: 



Brazil)'; Lesson, Traite, p. 618 (1831 : Brazil) : Neuwied, Beitr. 



Naturg. Bras. iv. p. 854 (1833) ; cf. Salv. Ibis, 1874, p. 320. 

 Larus poiocephalus (sic), Swains. B. W. Afr. ii. p. 245, pi. 29 



(1837 * : Senegambia) ; Layard, B. S. Afr. p. 368 (1867: partim) ; 



Gray, Hand-l.B. in. p. 115, no. 10996 (1871); Bocage,J.f. O. 



1876, p. 293 (Cunene, Benguela) ; Reiehenoiv, Vog. Deutsch-Ost- 



Afr. p. 20 (1894 : Victoria Nyanza). 

 Xema poiocephala (partim), Gray, List B. Brit. Mus., Anseres, 



p. 173 (1844: Gambia). 

 Xema pboeocepliala, Sfrickl. Sf Scl. in Jard. Cantrib. Orn. 1852, 



p. 160 (Damarfi-land). 

 Chroicocephalus cirrhocephalus, Bruch, J.f. O. 1853, p. 106 (South 



America) ; Licht. Nomencl. Av. p. 98 (1854 : S. Africa and Monte 



Video). 

 Cirrhocephalus plurabiceps, Bruch, J.f. O. 1855, p. 288 (S. America). 

 Cirrhocephalus major, Bp. C. R. xlii. p. 771 (1856). 

 Cirrhocephalus minor, Bp. C. R. xlii. p. 771 (1856). 

 Larus maculipennis (wee Licht.), Burm. Th. Brasil. iii. p. 448 



(1856: Brazil coast); id. La Plata-Reise, ii. p. 518, no. 256 



(1861 : Parana) ; Pelz. Orn. Bra.s. p. 323 & p. 461 (1871). 

 Larus phaeocephalus, Hartl. Orn. W.-Afr. p. 252 (1857) ; id. J.f. O. 



1861, p. 273; Chajiman, Trav. S. Afr. ii. p. 425 (1868: Lake 



Ngami) ; Finsch ^ Hartl. Vog. Ost-Afr. p. 825 (1870) ; Saunders, 



P. Z. S. 1874, p. 292 (critical); id. P. Z. S. 1878, p. 204 



(revision Larinfe) ; Bocage, Orn. Angola, p. 607 (1881 : Humbe) ; 



Salvin, Cat. Strickl. Coll. p. 621 (1882 : Damara-ld.) ; Sharpe, ed. 



Bayard's B. S. Afr. p. 699 (1884) ; Hartert, Kat. Vogelsatmnl. 



Senckenb. p. 241 (1891); Rendall, Ibis, 1892, p. 230 (Gambia); 



Shelley, Ibis, 1894, p. 27 & p. 476 (Lake Shirwa, Nyasa-land). 

 Larus poeoceplialus, Gurney, Ibis, 1860, p. 221 (Durban Bay). 

 Gavia ciiThocephala, Blasius, J.f. O. 1865, p. 376 (critical). 

 Larus polionotus, Pelz. Orn. Bras. p. 461 (1871: ex Natt.MS.; 



" Coast and rivers up to Matto Grosso "). 

 Cirrhocephalus poiocephalus, Gurney, in Anderss. B. Daniara L. 



p. 358 (1872). 



* Adult, believed to be tlie type, in Cambridge Museum examined. 



