Vol- XVj Kn)G\\AY, Ncxv Genera and Species of Aiiio-iccni Birds. 2 2 7 



Soutliern portion of Lower California, in mountains (Laguna; \\c- 

 toria Mountains). 



Type, No. 90,063, U. S. Nat. Mus., $ ad., Victoria Mts., Lower Cali- 

 fornia, Feb. 9, rSS3 ; L. 15elding. 



Aimophila sartorii. Huatusco Sparrow. 



Similar to A. botterii but very much darker, the ground color of the 

 upper parts sootj' grayish or dark smoke-gra}' -with the darker markings 

 very heavv ; under parts less buffy, the chest and sides varying from pale 

 smoky buff to light drab-gray. Length (skins), 5.10-6.10 (5.73); wing, 

 2.35-2.60 (2.42); tail, 2.25-2.52 (2.42); exposed culmen, 0.48-052 (0.50); 

 depth of bill at base, 0.27-0.30 (0.2S) ; tarsus, 0.80-0.S7 (0.83); middle toe, 

 0.62-0.68 (0.64). 



Eastern slope of Vera Cruz, Mexico (Huatusco, near Mirador), and 

 south to northern Nicaragua (El Volcan, Chinandego). 



Type, No. 44,752, U. S. Nat. Mus., ? ad., Huatusco, near Mirador, Vera 

 Cruz, Mexico, July 12; Florentin Sartorius.' 



This form resembles very closely in coloration " Ammodronuis " 

 petejiicus Salvin, but is decidedly larger and the Vv'ing less rounded. 

 The relationship is exceedingly close, however, and it would not 

 be surprising should the two prove to be local forms of the same 

 species. A. petenicus is certainly not an A?nmodra7Jws, but, should 

 my view of the impracticability of separating Peuccea from Aimo- 

 phila prove correct, it should be called Aimophila petenica. 



Owing to the circumstance that the single Vera Cruz specimen 

 (the type) is in worn plumage, comparison between it and the 

 two Nicaraguan specimens in the Salvin-Godman collection is 

 unsatisfactory. The latter are in fresh plumage, and may be 

 merely winter migrants, though it is very doubtful whether these 

 birds perform more than local migrations. 



The Huatusco bird which has been selected as the type is, in 

 part, the FeiiccBa cBstivalis var. botterii of the ' History of North 

 American Birds' (Vol. II, page 38), and, exclusively, the P. bot- 

 terii of the ' Manual of North American Birds ' (page 428) . The 

 true P. botterii, it may be added, is the same species as that 

 treated by American authors generally as P. mcxicaua or P. 

 arizoticB^ as I have recently been able to determine by comparison 

 of the types of the three supposed forms. 



