584 ORNITHOLOGY. 



naples yellow, tlic lower two thirds with a brownish siiffiisiou ; tarsi ami toes, dull 

 light iiiiplesyellow, witli a slijrlit jfreenisii tiuge. 



352, 9 ml.; same loiality and date. 23— 57J— ITJ— 14J— 1^\— (?)— 10— oj. 

 AVeighl, 3.^ poiuuls. Iris, deep light brown, the iii>i)er third naples-ycllow, 



:ri3, k (id; same locality, Ueceiiiber 13, 1807. 23— 54— 17— 13^— l^',, — (T)— 9J— 

 '>.\. Weight, 3 pounds. Same remarks. 



.3.J-1, ^ fl^/.; same locality and date. 22— 53— KJ.l— 13J— IJ— (?)— OJ— 5J. Weight, 

 2.| pounds. Iris, hazel ; tarsi and toes, deep light chrome yellow. 



35.5, <J ff<7.; .same locality and date. 22^— 52— IG— 13— 1^— (?)- 9— 5J. Weight, 

 2.J ])()ni:(ls. Iris, deep light hazel, na[)les-yellow above; tarsi and toes, dull greenish 

 naplesyellow. 



3.50, ? (id.; same locality, Ueceuiber 14, 1SG7. 24— 55— 174— 14i— 1/^— (?)— K*:^ 

 — 0. Weight, 4 i>ounds. Same remarks as to No. 352. 



.iOl, J (III.; same locality, December 18, 1807. 22— 50^— IG— 13.^- 1 j',.— {?)— 10— 

 5. Weight, 3 pounds. Same remarks. 



418, (?./"(•.; San Francisco, California, February 11, 18GS. i'20J— 49=^- (?)— 13. 

 Eye, bright yellow." (Preseuted by Mr. II. G. Parker.) 



1502, ijttc; Echo Cauon, Utah, July 29, 1809. 23—51. Collected by J. C. Olm- 

 stead. 



BUTEO SWAINSONI. 

 Swainsoii's Hawk. 



Buteo sirainsoni, BoNAr., Comp. and Geog. List, 1838, 3. — Cassin, Baird's Birds 



N. Am., 1858, 19.— Baiiid, Cat. N. Am. Birds, 1859, No. 18.— Cooi'KK, 



Orn. Cal., I, 470.— Cuui;s, Key, 1872, 217; Check List, 1873, No. 354; Birds 



N.W., 1874, 355.— B. B. & K., Hist. N. Am. Birds, III, 1874, 203.- Henshaw, 



1875, 421. 

 Buteo bairdii, IIOY, Pr. Ac. Nat. Sci. Philad., 1853, 451 {Young). — Cassin, Baird's 



Birds N. Am., 1858, 21.— Baird, Cat. N. Am. Birds, 1859, No. 19. 

 Buteo intiignatus, Cassin, Illustr. Birds Cal., Tex., &c , 1854, 102, 198, pi. xxxi, 



[nwUnintic); Baird's Birds N. Am., 1858, 23.— Baird, Cat. N. Am. Birds, 



1859, No. 21.— Cooper, Orn. Cal., I, 474. 

 Buteo oxypterus, CASSIN, Pr. Ac. Nat. Sci. Philad., 1855,283 (Young); Baird's 



Birds N. Am. 1858, 30.— Baird, Cat. N. Am. Birds, 18.59, No. 28.— Cooi>i;u, 



Orn. Cal., 1, 1870, 480. 

 Buteo sirainsoni var. o.ryptcrus, KiDGW., in B. B. & R., Ilist. N. Am. Birds, III, 



1874, 2G0. 

 '■'■Buteo harlani," Bryant, Pr. Bost. Soc. N. II., 1801, 110— Cooper, Orn Cal., 



1, 1870, 473 (part) [not B. harlani, AuD.]. 



Swainson's Buzzard is one of the most abundant of the large Hawks 

 of the Interior, hut it seemed to be less common in winter than in summer. 

 It appeared to be most numerous in the valleys, but it was nevertheless 

 far from rare on the lower slopes of the mountains, as well as in the 

 parks. Our observations in the field tended from the very first to confirm 



