658 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



1899, 124.— Bailey (Florence M.), Handb. Birds W. U. S., 1902, 445.— 



Oberholsek, Auk, xx, 1903, 196 (diagnosis; range; crit.). 

 Catherpes mexicanus conspersus (not of Ridgway) American Ornithologists' 



Union, Check List, 2d ed., 1895, no. 717a, part (Aguas Calientes). 

 Clatheryes'] inlexicanus} conspersus Bai-ley (Florence M.), Handb. Birds W. U. S., 



1902, 445, part (Aguas Calientes). 



CATHERPES MEXICANUS CONSPERSUS Ridgway. 

 CANYON WREN, 



Similar in coloration to C. m. albifrons but decidedly paler and 

 much smaller. 



Adult '/;i«^6^— Length (skins), 12tl-139 (129.4); wing, 56.5-61.6 (59.7); 

 tail, 51-64 (52.4); exposed culmen, 19-22.6 (20.5); tarsus, 17.5-18.5 

 (18.1); middle toe, 12-13.5 (12.8).« 



AcMt female. —Length (skins), 118-131 (124.2); wing, 55-60.5 (57.2); 

 tail, 46-55 (49.5); exposed culmen; 17-20 (18.3); tarsus, 17-17.5 (17.3); 

 middle toe, 12-12.5 (12.2).^ 



Central arid district of western United States, from Wyoming and 

 Colorado to Nevada, and southward into Arizona (Tucson, mountains 

 near Gila River, Fort Verde, Prescott, Cochise, Pima County, Pinal 

 Count}^, Huachuca Mountains, etc.) and southeastern California (Fort 

 Tejon; Panamint Mountains). 



Troglodytes mexicanus (not Thryothorus mexicanus Swainson) Cassin, Illustr. Birds 

 Cal., Tex., etc., 1854, 173, part [pi. 30]. & 



Catherpes mexicanus Baird, Rep. Pacific R. R. Surv., ix, 1858, 356, part (Fort 

 Tejon, California); Cat. N. Am. Birds, 1859, no. 263, part; Review Am. 

 Birds, 1864,111, part (Fort Tejon).— Xantus, Proc. Ac. Nat. Sci. Phila., 

 1859, 191 (Fort Tejon).— Allen, Bull. Mus. Comp. ZooL, iii, 1872, 148 (Gar- 

 den of Gods, Colorado; notes), 175 (Colorado City); Am. Nat., vi, 1872, 404 

 (do.). — Aiken, Proc. Bost. Soc. N. H., xv, 1872, 196 (Colorado, winter). — 

 Mekriam, Rep. U. S. Geol. Surv. for 1872 (1873), 713 (Utah).— Coues, 

 Check List, 1873, no. 46, part; Birds N. W., 1874, 28, part.— Salvin and 

 GoDMAN, Biol. Centr.-Am., Aves, i, 1880, 72, part (in synonymy). 



Catherpes mexicanus, var. conspersus Ridgway, Am. Nat., vii, Oct., 1873, 603 

 (Fort Churchill, Nevada; coll. U. S. Nat. Mus.; descr.; crit.; habits); Bull. 

 Essex Inst., v, 1873, 172 (Salt Lake City, Utah), 180 (Colorado).— Baird, 

 Brewer, and Ridgway, Hist. N. Am. Birds, i, 1874, 139; iii, 1874, 503 (Col- 

 orado; Utah; crit.). 



« Six specimens. Specimens from Arizona, which I am unable to distinguish from 

 typical examples of this form, average as follows: 



Two adult males: Length (skins), 123-124 (123.5); wing, 57-59.5 (58.2); tail, 

 50-51 (50.5); exposed culmen, 19-21 (20); tarsus, 17.5-18 (17.7); middle toe, 13-14 

 (13.5). 



Six adult females: Length (skins), 115-134 (124.2); wing, 56-59 (57.2) : tail, 47-51 

 (49.2); exposed culmen, 17-19 (18.5); tarsus, 16.5-18 (17.5); middle toe, 12-13.5 (13). 



&The figure is too poor for certain identification, and the locality of the specimen 

 figured not given. 



