BIKDS OF NORTH AND MIDDLE AMERICA. 



449 



South-central Mexico, in States of Vera Cruz (Orizaba, Jalapa, Las 

 Vigas, etc.), Puebla (Mount Orizaba), Oaxaca (Cerro San Felipe), 

 Guerrero (Chilpancingo), Jalisco (Florencio, Jacala, Talpa, etc.), 

 Zacatecas (Valparaiso, Plateado, Sierra Madre, etc.), Durango (El 

 Salto), southern Chihuahua" (Colonia Garcia, Sierra Madre, etc.), 

 and Coahuila (Sierra Guadalupe), and Territory of Tepic (Santa 

 Teresa). 



Siita carolinensis (not of Latham) Sclater, Proc. Zool. Soc. Lond., 1856, 293 



(Cordova, Vera Cruz) ; 1858, 300 (Cinco Sefiores, Oaxaca) ; 1859, 363 (Jalapa, 



Vera Cruz), 373 (Oaxaca; crit.); Cat. Am. Birds, 1862, 15, excl. syn. part 



(.Talapa; Oaxaca); Ibis, 1865, 310, part (Jalapa; Oaxaca; crit.). — Gadow, 



Cat. Birds Brit. Mus., viii, 1883, 353, part (Mexico). 

 [/SiHa] carolinensk Sclater and Salvin, Nom. Av. Neotr., 1873, 5. 

 Sitta carolinensis (vel aculeata) Sumichrast, Mem. Bost. Soc. N. H., i, 1869, 544 



(alpine reg., Moyoapam and Popocatapetl) . 

 Sitta aculeata (not of Cassin) Baikd, Review Am. Birds, 1864, 86, part (Jalapa, 



Vera Cruz). — Salvin and Godman, Biol. Centr.-Am., Aves, i, 1880, 60, excl. 



syn. part, 

 Sitta carolinenm, var. aculeata Baibd, Brewer, and Ridgway, Hist. N. Am. Birds, 



1, 18r4, 117, part (Mexico) .—Ooubs, Birds N. W., 1874, 230, part (in 



synonymy) . 

 Sitta carolinensis aculeata (not of Ridgway, 1874) Coues, Birds Col. Val., 1878, 



134, part (in synonymy). — American Ornithologists' Union, Check List, 



1886, no. 727a, part. 

 S[itta'] clarolinensis'] aculeata Coues, Key N. Am. Birds, 2d ed., 1884, 271, part. 

 S^ittal carolinensis aculeata Ridgway, Man. N. Am. Birds, 1887, 559, part. 



<' Specimens from the localities named in Chihuahua compare in average measure- 

 ments with others as follows: 



Locality. 



Middle 

 toe. 



Ten adult males from eastern Mexico (Coahuila to northern 

 Oaxaca) 



Ten adult males from western Mexico (north to Durango 

 and Zacatecas) 



Three adult males from southern Chihuahua 



Ten adult males (of S. c. nelsoni) from northern Chihuahua. 



FEMALES. 



Two adult females from eastern Mexico (Coahuila and 

 northern Oaxaca) 



Five adult females from western Mexico (Zacatecas to 

 Jalisco) 



One adult female from southern Chihuahua (Colonia 

 Garcia) - 



Six adult females (of S. u. nelsoni) from northern Chihua- 

 hua (3), northern Sonora (2), and Arizona (1) 



14.9 



14 



14.5 



14.6 



14.2 

 14.2 

 15 

 14.3 



As to coloration, the specimens from southern Chihuahua are decidedly nearer 

 typical mexicana than to nelsoni. 



10384— VOL 3—03 -29 



