272 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Corvusfrugivorus (not of Coues ex Bartram) Ridgway, Nom. N. Am. Birds, 1881, 

 no. 282, part.— Coues, Check List, 2d ed., 1882, no. 340, part.— Brown, Bull. 

 Nutt. Orn. Club, vii, 1882, 40 (Boerne, w. Texas). — (?) Hoffmann, Proc. 

 Bost. Soc. N. H., xxi, 1882, 400 (Fort Berthold, Dakota).— Henshaav. Auk, 

 iii, 1886, 75 (upper Pecos R., New Mexico, Oct.). 



C[orvus'] frugivorus Coues, Key N. Am. Birds, 2d ed., 1884, 417, part. 



C[orvus'] americanus hesperis Ridgway, Man. N. Am. Birds, 1887, 362 (Fort Kla- 

 math, Oregon; coll. IT. S. Nat. Mus.). 



Cortrus americanus hesperis Ridgway', Man. N. Am. Birds, 1887, 592; 2d ed., 1896, 

 613.— Merrill, Auk, v, 1888, 262 (Fort Klamath, e. Oregon).— Fannin, 

 Check List Birds Brit. Col., 1891, 33 (e. and w. sides Cascade range, British 

 Columbia). 



Corrus caurinns (not of Baird) (?) Cooper and Suckley, Rep. Pacific R. R. Surv., 

 xii, pt. ii, 1860, 211, part (coast Oregon).— Cooper, Orn. Cal, 1870, 285, part 

 (California; n. Rocky Mts.).— Henshaw, Rep. Orn. Spec. Wheeler's Surv., 

 1876, 251 (Los Angeles, California; habits; notes). — Bendire, Proc. U. S. 

 Nat. Mus., 1877, 123 (Camp Harney, e. Oregon). — Evermann, Auk, iii, 1886, 

 181 (Ventura Co., California; resident). 



Corims amerkamis yar. caurlnus Nelson, Proc. Bost. Soc. N. H., xvii, 1875, 360 

 (Nevada; California). 



Corvus {americanus yar.) caurinus Cooper, Proc. Cal. Ac. Sci., vi, 1875 (1876), 197, 

 (crit.; descr. nest and eggs). 



CORVUS AMERICANUS CAURINUS (Baird). 

 NORTHWEST CROW, 



Similar to O. a. hesperis, but smaller, with relatively smaller feet. 



Adult male.— Length (skins), 374.5-413 (401); wing-, 274.5-292.5 

 (283.5); tail, 152-170.5 (163); exposed culmen, 43.5-49 (47); depth, 

 of bill at nostrils, 16-17.5 (16.5); tarsus, 46-53 (51); middle toe, 31.5- 

 35 (33). « 



Adult female.— Length (skins), 326.5-409 (381.5); wing, 256.5-284.5 

 (272); tail, 144.5-162.5 (153); exposed culmen, 41.5-47.5 (45); depth 

 of bill at. nostrils, 15-17 (16); tarsus, 45-51 (48); middle toe, 28-33 

 (30.5).* 



Northwest coast of North America, from northwestern Washington 

 (Neah Ba.y, Puget Sound, etc.) to Kadiak Island and Alaskan penin- 

 sula (Kukak Bay). 



Corrus caurinus Baird, Rep. Pacific R. R. Surv., ix, June 29, 1858, 569 (Fort 

 Steilacoom, Washington; coll. U. S. Nat. Mus.); ed. 1860 (Birds N. Am.), 

 atlas, pi. 24; Cat. N. Am. Birds, 1859, no. 428. — Cooper and Suckley, Rep. 

 Pacific R. R. Surv., xii, pt. ii, 1860, 211, part, pi. 24 (coast Washington; 

 habits). — Dall and Bannister, Trans. Chicago Ac. Sci., i, 1869, 286 (Sitka, 

 Alaska).— Cooper, Orn. Cal., 1870, 285, part.— Finsch, Abh. Nat. Breni., 

 iii, 1872, 41 (Sitka); Journ. fur Orn., 1883, 270 (Chilcoot and TsetchU, 

 Alaska).— Baird, Brewer, and Ridgway, Hist. N. Am. Birds, ii, 1874, 248, 

 pi. 37, fig. 3.— Ridgway, Proc. U. S. Nat. Mus., xvi, 1893, 664 (Barclay 



« Sixteen specimens. '^ Fourteen specimens. 



