268 



BULLETIN 50, UKITED STATES NATIONAL MUSEUM. 



(9.14); depth of bill at base, 5.33-5.84 (5.59); tarsus, 19.66-21.59 

 (20.57); middle toe, 12.45-1.3.97 (13.21).' 



Adult female.— Length {skins), 127.00-142.24(135.13); wing, 60.96- 

 66.29 (63.50); tail. 58.42-68.58 (62.99); exposed culmen, 7.87-9.91 

 (9.14); depth of bill at base, 5.08-5.59 (5.33); tarsus, 19.81-20.83 

 (20.32); middle toe, 11.94-13.46 (12.70).' 



Central and southern California (valleys and foothills) west of the 

 Sierra Nevada and Colorado Desert, and south into northern Lower 

 California; Santa Barbara Islands (San Clemente,' San Nicolas, and 

 Santa Barbara). 



Emberiza belli Cassin, Proc. Ac. Nat. Sci. Phila., v, Oct., 1850, 104, pi. 4 (San Diego, 

 California; coll. Acad. Nat. Sci. Phila. ). — Baird, in Stansbury's Rep. Gt. Salt 

 Lake, 1852, 331 (San Diego). 



Poospiza belli Sclater, Proc. Zool. Soc. Lond., 1857, 7. — Baied, Rep. Pacific R. R. 

 Surv., ix, 1858, 470, part (Posa Creek and Cosumnes R., California); Cat. 

 N. Am. Birds, 1859, no. 356, part.— Cooper, Orn. Cal., 1870, 204, part (San 

 Nicolas and Santa Barbara islands, Santa Olara Valley, etc., California). — 

 CouEs, Check List, 1873, no. 173, part. — Baikd, Brewer, and Ridgway, Hist. 

 N. Am. Birds, i, 1874, 593; iii, 1874, 514 (Saticoy, Cal.; crit. ) . — Henshaw, 

 Rep. Orn. Spec. Wheeler's Surv., 1876, 243 (mountains near Fort Tejon) . 



' Seventeen specimens. 



^ Twelve specimens. 



' I at one time separated the San Clemente birds, as an island form, on account of 

 their supposed large dimensions, but the difference proves too slight to warrant 

 recognition of the alleged subspecies. Average measurements are as follows: 



Locality. 



MALES. 



Ten adult males from California (main- 

 land ) 



One adult male from northern Lower 

 California (Tecate) , 



Six adult males from San Clemente 

 Island , 



FEMALES. 



Six adult f emal es from California (main- 

 land j 



Three adult females from northern 

 Lower California (Nachiguero Valley 

 and Tecate River) 



Three adult females from San Clemente 

 Island 



SEX NOT DETERMINED. 



Two adults from Santa Kosalia Bay, 

 Lower California 



Wing. 



66.29 

 67.82 



Tail. 



66.65 

 66.55 



67.81 ! 65.79 



62.99 63:50 



64.77 

 63.25 



62.1 

 61.! 



Exposed 

 culmen. 



9.14 

 9.65 



Depth of 

 bill at 

 ba.se. 



5.59 



Tarsus. 



20.32 

 20.57 

 20.83 



Middle 

 toe. 



20.32 

 20.57 



20.32 



13.21 

 13.72 

 12.95 



12.45 

 13.21 



12.45 



I am unable to satisfactorily determine the status of the specimens from Santa 

 Rosalia Bay, owing to insufficiency of the series. They certainly are not A. b. cinerea, 

 being much too dark for that form; at the same time they are slightly paler and 

 grayer than true A. bellii, and have the wing and tail decidedly longer than the 

 average of those of that form. 



