258 BrLLETnN" 50, UNITED STATES NATIONAL MUSEUM. 



of a pale hair brown hue), and the rufescent niarking-s much less dis- 

 tinct as well as less Ijright in color; under parts paler, especially 

 on chest; size averag-ing decidedly larger, except bill, which is more 

 slender. 



Young. — Above dull bull', heavily streaked with dusky; heneath 

 buffy whitish or pale yellowish })ufi', the lower throat and chest broadly, 

 the sides more narrowly, streaked with dusky; wing--coverts margined 

 with l)rownish Iniff. 



Adult male.— ljengt\). (skins), 129.54-161.29 (1-11.22); wing, 59.69- 

 69.85 (65.02); tail (six specimens), 67.31-70.61 (69.09); exposed cul- 

 men, 11.13-12.70 (12.15); depth of ))ill at base, 6.35-7.62 {'o.Sio); tarsus, 

 19.81-23.37 (1^1.31); middle toe. 15.21-17.27 (16.26)\ 



Adnlt female.— l^Qngt\\{s\dn»). 132.08-141.78 (137.92); wing, 58.42- 

 68.07 (63.25); tail (three specimens), 56.39-64.26 (61.21); exposed cul- 

 men, 10.92-12.70 (12.45), depth of bill at base, 6.35-7.11 (6.86); tarsus, 

 20.32-22.86 (21.34); middle toe. 15.49-17.27 (16.26).- 



Entire plateau of Mexico, southeast to Chiapas (Ocuilapa, Ocozu- 

 cuantla. and valley of Jiquipilas, August); north to the lower Rio 

 Grande Valley in Texas, and southern Arizona (Camp Grant, Camp 

 Crittenden, Santa Rita Mountains, etc.). 



Zonotrichin hotter! i Sclater, Proc. Zool. Soc. Lond., 1S57, 214 (Orizaba, Vera 



Cruz; coll. P. L. Sclater). 

 Peuaea hotteri! Sclater, Cat. Am. Birds, Aug. 17, 1861, 118 (Orizaba). — Sclater 



and Salvin, Proc. Zool. Soc. Lond., 1868, 323. (Atlixco, Puebla).— Salvin 



and GoDMAX, Biol. Centr.-Am., Aves, i, 1866, 389, part (excl. spec, from 



Huatusco, Vera Cruz). 

 IPeucxa'] boiteni Sclater and Salvix, Nom. Av. Neotr., 1873, 32. 

 [Pcucmi] xstivalls var. hotterii Ridgvvay, Am. Nat., vii. Oct., 1873, 616, in text, part. 

 [Peucxa aestivalis'] var. hotterii Ridgway, in Baird, Brewer, and Ridgway's Hist. 



N.Am. Birds, ii, 1874, 38, part (Orizaba; Colima). 

 Peucca [err. typ.] a'stivalis var. hotterii Lawrexce, ^lem. Bost. Soc. N. H., ii, 1874, 



277 (plains of Colima). 

 [Peiiara ;rstivaUs.] Subsp. ;'. Penctm 6o/te/'// Sh.\rpe, Cat. Birds Brit. Mus., xii, 



1888, 711. 

 \_Am)no<lriunus'] hotterii Gray, Hand -list, ii, 1870, 96, no. 7426. 

 P'ucaea cassinii (not Zonotrichia cassinii AVoodhouse) Baird, Rep. Pacific R. R. 



Surv., ix, 1858, 485, part (Los Nogales, Sonora); Rep. U. S. and Mex. Bonnd. 



Survey, ii, pt. ii, 1859, 16 (Los Nogales, Sonora). — Sc.michrast, ]Mem. Bost. 



Soc. N. H., i, 1869, 551 (resident near Orizaba, Vera Cruz). 

 {^Peucaea sestivalis.'] Var. eassijiii Coces, Key N. Am. Birds, 1872, 140, part (Los 



Nogales, Sonora) . 

 1\ aciea sestivalis . . . var. cassini Coues, Check List, 1873, no. 170*/, part. 

 Peucsea sestivalis, var. ori-o;*;r Ridgway, Am. Nat., vii, Oct., 1873, 615 (Los Nogales, 



Sonora; U. S. Nat. Mas.). — Baird, Brewer, and Riik;way, Plist. N. Am. 



Birds, ii, 1874, 41 ; iii, 1874, 515. 

 Peucxa sestivalis . . . var. arizonse Coues, Check List, 1873, no. 170^ (p. 127). — 



Henshaw, Rep. Orn. Spec. "Wheeler's Surv., 1873 (1874), 159 (s. e. Arizona); 



Zool. Exp. W. 100th Merid., 1875, 285 (Camp Grant, Camp Crittenden, and 



Cienega, Arizona; s. New Mexico; n. Mexico; habits; song). 



^ Twenty-one specimens. ^ Eleven specimens. 



