240 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



AIMOPHILA ACUMINATA' Salvin and Godman. 

 COLIMA GROUND SPARROW. 



Similar to A. rujicaiida lawrencii, but decidedly smaller; gray of 

 chest and sides of breast replaced by white or but faintly indicated; 

 tail less rufescent; head-stripes, usually, more uniformly and intensely 

 black, and buff of posterior underparts paler. 



Adidt ;h.(^/c;.— Length (skins), 147.32-167.64 (160.27); wing, 63.50- 

 70.61 (66.80); tail, 74.93-83.82 (78.49); exposed culmen, 12.70-14.99 

 (13.46); depth of bill at base (one specimen), 8.89; tarsus, 21.59-24.89 

 (23.11); middle toe, 15.49-17.78 (16.51).'= 



Adult f emaU.—h&ngth (skins), 149.86-163.83 (160.02); wing, 63.75- 

 67.31 (64.77); tail, 74.93-79.25 (77.22); exposed culmen, 13.21-14.48 

 (13.97); tarsus, 22.86-24.13 (23.11); middle toe, 15.49-17.27 (16.26).^ 



Southwestern Mexico, in States of Guerrero (Acapulco; Tierra Col- 

 orado; Tlapa), Colima, Jalisco (Ameca; Etzatlan; San Sebastian), from 

 near the Pacific coast to well within the interior plateau region in States 

 of Morelos (Cuernavaca; Yautepec), Puebla (Chietla), and Durango 

 (Huasamota). 



Zonotrichia melanotw (not Geospizopsis melanotic Bonaparte) Lawrence, Ann. Lye. 

 N. Y., viii, May, 1867, 473 (Plains of Colima, =. w. Mexico; U. S. Nat. Mus.); 

 Proc. Ac. Nat. Sci. Phila., 1868 (1869), 430 (crit. ). 



H.\^semophila\ mefanotis Lawrence, Proc. jk;. Nat. Sci. Phila., 186i8 (1869), 430, in 

 text. 



IHsemophila] melanotis Sclater and Salvin, Nom. Av. Neotr., 1873, 33. 



Hsemoplula melanotis Salvin, Proc. Zool. Soc. Lond., 1883, 422 (Acapulco, Guer- 

 rero). 



Aimophila melanotis Lawrence, Mem. Bost. Soc. N. H.,ii, 1874, 277 (Plains of 

 Colima).— RiDGW AY, Proc. U. S. Nat. Mus., ix, 1886, 145 (Chietla, Puebla; 

 crit.). 



HsemopKila acuminata Salvin and Godman, Biol. Centr.-Am., Aves, i, sig. 50, 

 Aug., 1886, 397 (ex Aimophila acuminata Lichtenstein, Nom. Av. Mus. Berol., 

 1854, 43, =nomen nudum!; Yautepec, Morelos, s. Mexico; coll. P. L. Sclater. — 

 Sharpe, Cat. Birds Brit. Mus., xii, 1888, 723. 



AIMOPHILA SUMICHRASTI Lawrence. 

 STJMICHRAST'S SPARROW. 



Adidts {sexes alil'e). — Lesser wing -coverts cinnamon-rufous; upper 

 tail-coverts and tail cinnamon; pileum with two broad lateral stripes 

 of chestnut-brown, streaked with black, and a narrow median stripe of 

 grayish; back and scapulars' light brown or grayish brown, broadly 

 streaked with black; broad superciliary stripe (becoming white ante- 

 riorly), auricular region, sides of neck, and sides of chest light gray, 



' Possibly a subspecies of .1. rujicauda. 

 '^ Fourteen specimens. 

 ''Five specimens. 



