126 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
Corvus corax sinuatus Bryant, Proc. Calif. Acad. Sci., 2d ser., II. 1889, 293 (Cape 
Region). 
Raven, Bryant, Zoe, II. 1891, 191 (San José del Cabo). 
Although the Raven is common throughout the Cape Region during the 
entire year it is most numerous there in winter, according to Mr. Frazar. 
Probably a good many migrants come down from the North at that season, or 
the apparent increase may be due merely to concentration at points where 
food is abundant. In December Mr. Frazar observed twenty or thirty gather- 
ing nightly to roost in a tree on the summit of the Sierra de la Laguna. 
Mr. Bryant says that the Raven extends throughout ‘‘ the entire peninsula 
and shore islands.’? Its general range on the Pacific coast stretches from 
Guatemala to Alaska. 
Molothrus ater (Bopp.). 
CowBIRD. 
A male Cowbird taken by Mr. Frazar at Santiago on November 22, 1887, 
seems to be perfectly typical ater, which has not been hitherto reported from 
any portion of Lower California. Mr. Belding gives several records of the 
occurrence of this form in eastern California, but adds that ‘ no Cowbirds have 
ever been collected in California, west of the Sierra Nevada, as far as I amr 
aware.”! MM, ater is said to migrate into Mexico, but just how far to the 
southward is not accurately known. 
Molothrus ater obscurus (Gmet.). 
DwarF CowBIrD. 
BMolothrus ater obscurus BELDING, Proc. U. S. Nat. Mus., V. 1883, 546 (San José del 
Cabo), 547 (San José). Bryant, Proc. Calif. Acad. Sci., 2d ser., II. 1889, 
294 (San José del Cabo). Benprre, Rept. U.S. Nat. Mus., 1892-1893, 1896, 
598 (San José del Cabo); Life Hist. N. Amer. Birds, pt. II. 1895, 441 (San 
José del Cabo). 
This is the characteristic Cowbird of the Cape Region, where, however, it 
appears to be comparatively uncommon and is not known to breed. Mr. 
Frazar met with it only in autumn at San José del Cabo and Santiago, taking 
his first specimen on September 30 at the former locality, where Mr. Belding 
had previously noted it in April and May, 1882. Mr. Bryant does not appear 
to have observed it to the northward, but says that Mr. Anthony “saw what 
he supposes was this Cowbird at San Quintin.” It is common in southern 
Arizona, but is not known to enter California. 
1 Occ. Papers Calif. Acad. Sci., II., Land Birds Pacif. District, 1890, 118. 
