on the Parrots. 649 



Amnzona albifrons saltuensis Nels. Pr. Biol. Soc. Wash, 

 xiii. p. 26 (N.W. Mexico) (1899) ; Miller, Bull. Am. Mus. 

 N. H. xxi. p. 348 (S.W. Sonora) (1905). 



Mr. Nelson has separated the Sonora bird on account of 

 the bluish tinge on the green feathers, a feature which I had 

 previously noticed in the 'Catalogue of Birds,' but the species 

 still appears to me of very doubtful value. 



- Chrysotis nana (Mill.). 



Amazona albifrons nana Miller, Bull. Am. Mus. N. H. xxi. 

 p. 349 (1905) (Colotmul, Yucatan). 



Chrysotis albifrons, part., Salvad. Cat. B. xx. p. 311 (1891). 



" Similar to Amazona albifrons albifrons, but smaller, with 

 the exception of the bill. Wing 155 mm.; tail 75 5; culmen 

 27*5 ; depth of bill at base 25*5. " 



Hub. Yucatan. 



Scarcely, in my opinion, a distinct form. 



- Chrysotis caymanbnsis Cory ; Nicoll, Bull. B. O. C. xiv. 

 p. 94 (1904). 



Amazona caymanensis Sharpe, Hand-list, ii. p. 22, n. 42 

 (1900) ; Clark, Auk, 1905, p. 344. 



Amazona leucocephalus (sic) caymanensis Rothsch. Bull. 

 B. O. C. xvi. p. 15 (1905). 



Mr. Nicoll says that this species is very abundant in Grand 

 Cayman, where Dr. Sharpe obtained some living specimens 

 from a native. 



- Chrysotis bahamensis Bryant ; Bonhote, Avicult. Mag. 

 (2) ii. pi. to p. 239 (1904). 



Amazona bahamensis Sharpe, Hand-list, ii. p. 22, n. 43 

 (1900). 



Amazona leucocephala bahamensis Clark, Auk, 1905, 

 p. 344; Rothsch. Bull. B. O. C. xvi. p. 15 (1905). 



Chrysotis ventralis (P. L. S. Mull.). 



Amazona ventralis Sharpe, Hand-list, ii. p. 22, n. 40 

 (1900). 



Amazona sallai (Sclat.) ; Clark, Auk, 1905, p. 341; 

 Rothsch. Bull. B. O. C. xvi. p. 15 (1905). 



SER. VIII. VOL. VI. 2U 



