] 4 ZOOLOGY. 



Female smaller, browner; the yellow confined to the &quot;under parts and sides of the head, and a superciliary line. A dusky 

 maxillary line. No white on the wing. Length of male, 10 . 00 inches ; wing, 5 . 60 ; tail, 4 . 50. 



No. 8554. Sawatch Pass, (15.) 



COKVUS CARNIVORUS, Bar tram, (p. 560.) American Raven. 



Corvus carnivorus, BARTRAM, Travels in E. Florida, 1793, 290. 



S P . CH. Fourth quill longest; third and fifth about equal; second between fifth and sixth ; first nearly equal to the eighth. 

 Length about 24 or 25 inches; extent, 50 to 51 ; wing, about 17 ; tail, 10. Tail moderately graduated; the outer about 1 .60 

 to 1 . 90 of an inch less than the middle. Entirely glossy black, with violet reflections. 



Hob. Entire continent of North America. Rare east of the Mississippi. 



No. 6857. Between White river and San Rafael, Utah, (29.) 



PICA HUDSONICA, Bonap. (p. 576.) Magpie. 



Corvus hudsonica, Jos. SABINE, App. Narr. Franklin s Journey, 1823, 25, 671. 



SP. CH. Bill and naked skin behind the eye, black. General color black. The belly, scapulars, and inner webs of the 

 primaries white ; hind part of back grayish ; exposed portion of the tail feathers glossy green, tinged with purple and violet 

 near the end; wings glossed with green; the secondaries and tertials with blue ; throat feathers spotted with white. Length, 

 19.00; wing, 8.50; tail, 11.00. 



8181. Utah creek, near Fort Massachusetts, (7.) 7100, Cochetope Pass, (14.) 

 PERISOREUS CANADENSIS, Bonap. (p. 590.) Canada Jay. 



Corvus canadensis, LINN. Syst. Nat. I, 1766, 158. 



SP CH. Tail graduated ; lateral feathers about one inch shortest. Wings a little shorter than the tail. Head and neck, 

 and fore part of breast white. A plumbeous brown nuchal patch, becoming darker behind, from the middle of the crown to 

 the back, from which it is separated by an interrupted whitish collar. Rest of upper parts ashy plumbeous; the outer primaries 

 margined, the secondaries, tertials, and tail feathers obscurely tipped with white. Beneath smoky gray. Crissum whitish. 

 Bill and feet black. Length, 10.70; wing, 5.75; tail, 6.00 ; tarsus. 1.40. 



No. 8452. Sangre del Christo Pass, Utah, (5.) 

 CENTROCERCUS UROPHASIANUS, Swainson, (p. 624.) Sage Cock ; Cock of the Plains. 



SP. CH. Tail feathers twenty. Above varied with black, brown, and brownish yellow; coverts having all the feathers 

 streaked with the latter. Beneath black ; the breast white ; the upper feathers with spiny shafts ; the lower streaked with 

 black ; tail coverts with white tips ; the sides also with much white. Length, 29 ; wing, 11.30 ; tail, 11 50. 



No. 10023. Cochetope Pass, (21.) Iris grayish white. 



GRUS CANADENSIS, Temm. (p. 655.) Sand-hill Crane; Brown Crane. 



Ardea canadensis, LINN. Syst. Nat I, 1766, 234, No. 3. 



SP. CH. Bill compressed. Lower mandible not as deep towards the tip as the upper. Gonys~nearly straight, in the same 

 line with the basal portion of bill. Commissure decidedly curving from beyond the middle to the tip, where it is even, not 

 crenated. Color bluish gray ; the primaries and spurious quills dark plumbeous brown ; the shafts white. Cheeks and chin 

 whitish. Entire top of head (bounded inferiorly by a line from commissure along the lower eyelid) bare of feathers, warty 

 and granulated, thinly beset with short scattered black hairs. Feathers of occiput advancing forward in an obtuse angle ; 

 the grey feathers along this point, and over the auricular region, tinged with plumbeous. Length, 48; wing, 22; tarsus, 10 ; 

 commissure, 6. 



No. 9394. Rio Grande valley, (No. 12.) 



