iSSS.j Brewster on Nv-v Birds from Mexico and the Bahamas. 03 



under wing-coverts whitish. Wing, 3.00; t;iil, 3.40; tarsus, .90; culmcn 

 from nostril, .42 ; depth of bill at nostril, .t,-i,. 



5 ad. (No.^i4i2S, collection ofW. Brewster, El Carmen, Nov. 10, 1SS4 ; 

 R. R. McLeod). Much smaller than the male, the stripes on sides of throat 

 duller and less conspicuous, the occiput and nape spotted with clove- 

 brown. Wing, 2.55; tail, 2.75; tarsus, .SS; culmen from nostril, .40; 

 depth of bill at nostril, 32. 



Aimophila cahooni,* new species. — Cahoon's Sparrow. 



Sp. Char. — Of about the size and proportions of^. mcleodii hut decided- 

 ly paler and grayer, the general coloring not unlike that of A. sn^nichras- 

 ti ; the central feathers on top of head, especially on the forehead and 

 occiput, tipped with ashy, which tends to form a median crown stripe; 

 throat and central portion of abdomen nearly pure white, in contrast with 

 the remainder of the underparts. 



$ ad. (No<fi4i29, collection of W. Brewster, collector's number 1074, 

 near Oposura, Sonora, Mexico, June 2, 1887 ; J. C. Cahoon). Top of head 

 pale chestnut, the feathers of the middle portion with light tips and edges ; 

 sides of head and neck, breast, and sides of body, smoke-gray, deepening 

 on the flanks and under tail-coverts to broccoli-brown; throat and abdo- 

 men soiled white, the throat with a short, broad blackish stripe on each 

 side, bordered above by a whitish maxillary stripe ; lores and auriculars 

 dusky graj'; eyelids and superciliary stripe anterior to the eye, nearly 

 pure white; a short post-ocular stripe of dull chestnut; wing-coverts, 

 nape, back, and rump grayish olive, the interscapulars, wing-coverts and 

 feathers of the hind neck with reddish brown centres, some of them with 

 clove-bi-own shaft-sti-eaks also; wings and tail brownish drab, tinged with 

 cinnamon on the outer webs of the secondaries and on both webs of the 

 tail-feathers, the latter with the faintest possible indication of dark bars; 

 wing-coverts and tertials edged and tipped with pale drab; bill bluish 

 horn-color; legs and feet light brown. Length,! 7.50; extent,! 9-45; wing, 

 3.15; tail, 3.36; culmen from nostril, .40; depth of bill at nostril, .30. 



$ «ff. (No.;fi4i30, collection of W. Brewster, collector's number 1047, 

 near Oposura, May 31, 18S7; J- C. CahoonJ. Smaller than the male and 

 rather grayer; the dark stripes on sides of throat duller and less well 

 defined; feathers of a wide space over the centre of the crown extending 

 from the hind neck nearly to the forehead, broadly tipped with smoke-gray, 

 this light space bordered on each side from the crown to the lower hind neck 

 by a band of dark brown or blackish spots, the two bands nearly meeting 

 at their posterior extremities. Length,! 7--5; extent,! 9.25; wing, 2.79; 

 tail, 2. 98; tarsus, .97; culmen from nostril, 43; depth of bill at nostril, 

 .40. 



Habitat. Mountains near Oposura, Sonora, Mexico. 



* To J. C. Cahoon of Taunton, Mass. 

 ! Collector's measurements of fresh specimen. 



