236 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



AIMOPHILA QUINQUESTRIATA (Sclater) . 

 FIVE-STRIPED SPARROW. 



Adults {sexes alihe). — Above plain purplish grayish brown, inclining 

 to chocolate on back, the rump and upper tail-coverts more graj'ish; 

 superciliary streak, malar streak, stripe down middle of chin and upper 

 throat, and abdomen white; broad stripe on each side of chin and 

 throat, and spot in middle of fchest, black; rest of under parts plain 

 dull slate-gray, the under tail-coverts broadly margined with white; 

 maxilla black, mandible light bluish; legs and feet light horn brownish, 

 the toes rather darker. 



J.(?wfo-//?.rtZ('.— Length (skins), 133.34-140.96 (135.88);' wing, 64.77- 

 73.66 (71.37);' tail, 66.55-72.39(68.38);' exposed culmen, 11.43-12.70 

 (12.19);' depth of bill at base, 6.86-7.11 (6.93);^ tarsus, 19.56-20.83. 

 (20.32);' middle toe, 13.97-15.24 (14.73).' 



Arhdt female. — Length (skin, one specimen), 144.78; wing, 64.01- 

 71.12 (67.06); tail, 61.72-72.90 (66.55); exposed culmen, 11.43-12.45 

 (11.94); depth of bill at base (one specimen), 6.86; tarsus, 19.05-21.08 

 (20.32); middle toe, 13.46-15.24 (14.73)." ' 



Northwestern portion Mexican plateau, in States of Sonora (Alamos; 

 Camoa; Oposura), Chihuahua (near Batopilas; Hacienda de San Rafael), 

 Durango, and Jalisco (Bolanos; Mesquitic). 



Zonotrichia quinquestririta Sclater and Salvin, Proc. Zool. Soc. Lond., 1868, 

 323 (Mexico; coll. P. L. Sclater) .—Ridgway, Ibis., 1883, 400 (crit.).— Salvin 

 and GoDMAN, Biol. Centr.-Am., Aves, i, 1886, pi. 27, fig. 2. 



[Zonotrichia'] quinquestriata Gray, Hand-list, ii, 1870, 94, no. 7386. — Sclater and 

 Salvin, Nom. Av. Neotr., 1873, 31. 



Amplmpiza quinquestriata Salvin and Godman, Biol. Centr.-Am., i, 1886, 368. — 

 Shaepe, Cat. Birds Brit. Mus., xii, 1888, 632. 



AIMOPHILA MYSTACALIS (Hartlaub). 

 BRIDLES SPARROW, 



About the size of A. hinueralls, but wing, tail, and tarsus averaging 

 longer and bill smaller; lesser wing-coverts blackish or dusky and 

 rump plain rustj^ or cinnamon-rufous. 



Adults {sexes aliA'e). — Pileum and hindneck grayish, streaked with 

 dusky; sides of head dull brownish gray or dusk}-, relieved \>y a white 

 supraloral stripe and a white malar stripe; upper throat black,, some- 

 times intermixed with white along the median line, the chin usuallj' 

 white; lower throat and chest light olive-gray or dull ash graj^; sides, 

 flanks, and under tail-coverts cinnamon-buff; breast and abdomen dull 

 white; back and scapulars brown, streaked with black; rump plain 



1 Four specimens. ^Sixteen specimens. ' Eleven specimens. 



