458 



U. S. p. E. E. EXP. AND SUEVEYS — ZOOLOGY — GENEEAL EEPOET. 



Synopsis of the species. 



Feathers of interscapular region blackish centrally, passing into rufous hrown and edged 

 witli paler. Rump and upper tail coverts uniform olivaceous ashy brown. Two white bands 

 on the wings ; the tertials edged with rufous. Beneath without streaks. Head above marked 

 with black, and generally with white. Cheeks plumbeous. 



a. Median light stripe on the top of the head. 



Chin, throat, and breast nearly uniform ashy. Head above black. Median and 

 superciliary stripe pure white. A narrow black line from the black lores, 

 through and behind the eye, cutting off the superciliai-y stripe anteriorly. 



Z. leucophrys. 



Similar to the last, but the lores ashy and continuous with the white superciliary 

 stripe , Z. (jamhelii. 



Chin ashy like throat and breast. Top of the head black ; the median stripe yellow 

 anteriorly, ashy posteriorly. A little yellow above the eye Z. coronata. 



Chin abruptly white ; median head stripe white. A broad superciliary stripe, 

 yellow anteriorly, white behind Z. albicoUis. 



b. Head above entirely black. 



Head all round, neck above and throat, black. Cheeks behind gray. Breast and 

 belly pure white, with a few black streaks on the sides of the breast.. Z. quervla. 



Comparative measurements of species. 



ZONOTRICHIA LEUCOPHRYS, Swain son. 



White-crowned Sparrow. 



Emhtriza leucophrys, Forsteh, Pliilos. Trans. LXII, 1773, 382, 42G.— Gmelin, Syat. Nnl. I, 1788, 874.— Wilson, 



Am. Orn. IV, 1811, 49; pi, .\.\.\i, f. 4. 

 Fringilltt (Zonotricliia) Uucopltrys, Sw. F. B. Am. II, 1831, 255. 

 Zonolricliia leucophrys, Bok. List, 1838. — In. Coiisp. 1850, 478. 

 Fringilla Uucoplmjs, Add. Orn. Biog. II, 1834, 88 : V, 515 ; pi. 114 —In. Syn. 18.39, 121,— In. Birds Amcr. Ill, lf<ll, 



157 ; pi. 192. 

 ii'hiU-crotcned Sparrow, Pennant. 

 Kii;uf.;d in Bltfon, Oi«. IV, 192, pi. 223, f. 2. Winter. 



