ORDER PASSERIFORMES. 285 



Compsothlypis pitiayumi nigrilora (CouEs). Sennett's "Warbler. [649.] 



Panda nigrilora Coues, Bull. Geol. and Geog. Surv. Terr., IV, No. 1, Feb. 

 5, 1878, 11. (Hidalgo, Texas.) 



Range. — Valley of the lower Rio Grande in Texas south to Nuevo Leon, 

 Tamaulipas, and southeastern San Luis Potosi, mainly in the Lower Austral 

 Zone. [Numerous allied races occur in Central and South America.] 



• Compsothlypis graysoni RiDGW AY. Socorro "Warbler. [649.1.] 



Compsothlypis graysoni Ridgway, Manual N. Amer. Birds, 1887, 492. 

 (Socorro Island [Revillagigedo Group], off coast of northwestern Mexico.) 



Range. — Socorro Island, Mexico. Casual at Todos Santos (Nov. 3, 1923, 

 July 23, 1924) ^ and El Oro (one seen Feb. 5, 1924), ' southern Lower California. 



Genus PEUCEDRAMUS Henshaw. 



Peucedramus Henshaw, Ann. Rep. Geog. Expl. "West of 100th Merid., 1875, 

 156. Type, by orig. desig., Sylvia oUvacea Giraud. 



Peucedramus olivaceus (Girai'd). Olive "Warbler. [651.] 



Sylvia olivacea Giraud, Srxteen Species Texas Birds, 1841, not paged or 

 numbered [16 (pi. vii, fig. 2)]. (Texas = Las Vegas, Vera Cruz, Mexico.) 



Range. — Breeds in the Transition Zone of the White, Chiricahua, and 

 Huachuca mountains of Arizona, the mountains of southern New Mexico, 

 and southward in the highlands of Mexico and Guatemala.^ 



Genus DENDROICA Gray. 



Dendroica Gray, Append. List Gen. Birds, 1842, 8. Type, by orig. desig., 

 Motadlla coronata Linnaeus. 



Dendroica aestiva aestiva (Gmelin). Eastern Yellow "Warbler. [652.] 



Motadlla aestiva Gmelin, Syst. Nat., I, Pt. ii, 1789, 996. Based mainly on 

 the Figuier de Canada Daubenton, PL Enl., 58, fig. 2. (in Gujana, 

 aestate in Canada = Canada.) 



Range. — Breeds through North America east of Alaska and the Pacific slope 

 from tree limit south to Nevada, northern New Mexico, southern Missouri, 

 northern Alabama, northern Georgia, and northern South Carolina. "Winters 

 from Yucatan to Guiana, Brazil, and Peru. 



1 Lamb, Condor, XXVII, 1925, 36. 



2 The Arizona bird has been named P. o. arizonae Miller and Griscom, 

 Amer. Mus. Novitates, No. 183, July 18, 1925, 10. 



