260 Mr. C. Chubb on Birds from [Ibis, 



Larus dominicanus. 



Larus dominicanus Licht. Verz. Doubl. 1823, p. 82 : 

 coast of Brazil; Sclater & Hudson, Argent. Orn. ii. 1889, 

 p. 197. 



a. ? . Estancia La Maria Luisa, Argentina, 20 May, 

 1916. This bird was collected by Mr. Robin Kemp. 



Family THiNocoRYTHiDyE. 



Attagis gayi latreillei. 



Attayis latreillei Less. Bull. Sci. Nat. (Ferussac) 25, 

 1831, p. 243 : Ecuador ; Biabourne & Chubb, B. S. Amer. 

 i. 1912, p. 36, no. 357. 



Attagis chimhorazensis Scl. P. Z. S. 1860, pp. 73, 82 : 

 Mount Chimborazo, 14,000 ft. 



No. 588. ? irani. Chimborazo, Ecuador, 5600 metres, 

 22 March, 1899. "Chimborazo Aeriel Perdice '^ (P. 0. 

 Simo7is) . 



This bird is very similar to the type-specimen of 

 ^4. chimborazensis in the British Museum. 



a,b. c? ? . Antisana, E. Ecuador, 12,000 to 15,000 ft., 

 Nov. 1914. (^ . "Iris brown; feet light burnt sienna; 

 bill black. ? . Iris reddish brown ; feet dull yellow ; bill 

 brown'' (^F. Guodfellow). 



These two specimens are in the fully adult plumage and 

 were presented to the British Museum by Mr. E. J. Brook. 



Attagis gayi simonsi. 



Attagis gayi simonsi Chubb, Bull. Brit. Orn. Club, 

 xxxviii. 1918, p. 41. 



Nos. 2112 ? , 2113 S adult. Crucero, Lake Titicaca 

 Basin, 5000 metres, 30 June, 1900. " Kuli Kuli." 



No. 2113, which is an adult male, differs from Attagis 

 gayi latreillei in being minutely and profusely mottled with 

 grey, instead of buff, the marginal and submarginal lines ou 

 the feathers of the fore-neck paler aud not so pronounced; 

 tiie breast, abdomen, and under tail-coverts vinaceous 

 cinnamon, not pale chestnut, the under wing-coverts paler, 

 and the wing and tail measurements rather larger. " Iris 

 brown ; bill dark ; feet bronze '' {P. 0. Simons). 



