BIRDS OF NORTH A WD MIDDLE AMERICA. 



445 



Adult male.— hength. (skins), 121-148.5 (133.8); wing, ,Si.5-91 (87.3); 

 tail, 44-48.5 (46); culmen, 18.5-20 (19.2); tarsus, 17-18.5 (18.1); mid- 

 dle toe, 14-15 (14.4)." 



Adult female. — Ijeiigth (sldns), 128-136 (132.6); wing, 85.5-89(87); 

 tail, 44-47(45.5); culmen, 19.5-21 (19.8); tarsus, 18-19 (18.4); middle 

 toe, 14.5-15.5 (14.9).* 



Pacific coast district, from northern Lower California to British 

 Columbia; east to eastern base of Sierra Nevada, middle Oregon, and 

 interior of British Columbia. <" 



Sitta carolinensis (not of Latham) Townsend, Journ. Ac. Nat. Sci. Phila., viii, 

 1839, 155 (Columbia E.).— Gambel, Proc. Ac. Nat. Sci. Phila., iii, 1846, 112, 

 part (California). — Heeemann, Journ. Ac. Nat. Sci. Phila., ii, 1852, 269 

 (California). — Woodhouse, Eep. Sitgreaves's Expl. Zuni and Col. R., 1853, 

 66, part (California). — Newbekry, Eep. Pacific E. E. Surv., vi, 1857, 79 

 (California; Oregon). — Gadow, Cat. Birds Brit. Mus., viii, 1883, 353, part 

 (California). 



S[Uta} carolinensis Gambel, Journ. Ac. Nat. Sci. Phila., ii, 1847, 33, part (Cali- 

 fornia). 



Sitta aculeata Cassin, Proc. Ac. Nat. Sci. Phila., viii, Oct., 1856, 254 (California; 

 coll. Acad. Nat. Sci. Phila.).— Baied, Eep. Pacific E. E. Surv., ix, 1858, 375, 

 part; ed. 1860 (Birds N. Am.), atl., pi. 33, fig. 3; Cat. N. Am. Birds, 1859, 

 no. 278, part; Eeview Am. Birds, 1864, 86, part. — Heeemann, Eep. Pacific 

 E. E. Surv., X, pt. iv, 1859, 56 (California). — Xantus, Proc. Ac. Nat. Sci. 

 Phila., 1859, 191 (Fort Tejon, California). — Cooper and Suckley, Eep. 

 Pacific E. E. Surv., xii, pt. ii, 1860, 193 (Puget Sound, etc., Washington). — 

 Feilnee, Ann. Eep. Smithsonian Inst, for 1864 (1865), 425 (Fort Crook, 

 California; habits). — Beown, Ibis, 1868,421 (Vancouver I.). — Coopek, Am. 

 Nat., viii, 1874, 17 (Cuyamaca Mts., San Diego Co., California); Orn. Cal., 

 1870, 54.— Bkndiee, Proc. Bost. Soc. N. H., 1877, 112 (Camp Harney, e. 

 Oregon; descr. eggs). 



" Ten specimens. 



6 Four specimens. 



" Specimens from these more eastern localities are in reality intermediate between 

 this smaller coast form and the larger S. c. nelsoni of the Eocky Mountain district, 

 though on the whole, except in measurements, rather nearer the former. Compara- 

 tive average measurements are as follows: 



Locality. 



Middle 

 toe. 



MALES. 



Ten adult males from California (west of Sierra Nevada) . . 

 Six adult males from Carson City, Nevada (3), and Fort 



Klamath, Oregon (3) , 



Thirty adult males of jS. c. nelsoni 



FEMALES. 



Four adult females from California (vf est of Sierra Nevada) . 



Two adult females from Carson City, Nevada 



One adult female from Fort Klamath, Oregon 



One adult female from Okanogan, British Columbia 



Seven adult females of S. c. nel&oni 



14.8 

 14.5 



14.9 



15.7 



14.5 



15 



14.4 



