5S4 ORNITDOLOGY. 



naplesyellow, tlic lower two-thirds with a browuisb suffii.sion ; tarsi and toes, dull 

 light naplcsyellow, with a slight greenish tinge. 



oo-, 9 (id.; same locality and date. 23 — 57J — 17| — 14.] — lro~(^) — ^^ — ^4- 

 "Weight, 3^ pounds. Iris, deep light brown, the upper third naplcsyellow. 



3.53, ? ad.; same locality, December 13, 1867. 23— 54— 17— 13i— 1 j\— (?)— Oi^— 

 5.1. Weight, 3 pounds. Same remarks. 



354, S ad.; same locality and date. 22— 53— 161- 13§— 1^- (!)— 9.]— 5i. Weight, 

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



355, S (id.; same locality and date. 22A— 52— 10— 13— 1^— (?) - 9— 5i. Weight, 

 2^ pounds. Iris, deep light hazel, naples-yellow above; tarsi and toes, dull greenish 

 iiaples-yellow. 



35(5, ? ad.; same locality, December 14, 1867. 24— 55— 17.]— 14i—l /,,—(?)— lOJ 

 — 0. Weigiit, 4 i)ounds. Same remarks as to No. 352. 



301, S ad.; same locality, December 18, 1807. 22— 50;|— 10— 13,1— !/,,-(?)— 10— 

 5. Weight, 3 pounds. Same remarks. 



ilS.ijnv.; San Francisco, California, February 11, ISOS. •'20i5— 49:3— (?)— 13. 

 Eye, bright yellow." (Presented by Mr. 11. G. Parker.) 



1502, ijitv.; Echo Cauon, Utah, July 29, 1869. 23—51. Collected by J. C. Olm- 

 stead. 



BUTEO SWAIXSONI. 

 SwaiBison's Hawk. 

 Butto .sirainsoii, BoNAP., Conip. and Geog. List, 1838, 3. — Cassin, Buird's Bird-s 

 N. Am., 1858, 19.— Baird, Cat. N. Am. Birds, 1859, No. 18.— Cooper, 

 Orn. Cal., I, 470.- (^oues, Key, 1872, 217; Check List, 1873, No. 354; Birds 

 N.'W., 1874, 355.— B. B. & R., Hist. N. Am. Birds, III, 1874, 203.— Henshaw, 

 1875, 421. 

 Biifeo hnirdii, IIoY, Pr. Ac. Nat. Sci. Pliilad., 1853, 451 {Young).— Cassis, Baird's 



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

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

 {melanotic); Baird's Birds N. Am., 1858, 23.— Baird, Cat. N. Am. Birds, 

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

 Buteo oxypternti, Cassin, Pr. Ac. Nat. Sci. Phihul., 1855, 283 {Young); Baird's 

 Birds N. Am. 1858, 30.— BaiPvD, Cat. N. Am. Birds, 1859, No. 28.— Cooper, 

 Orn. Cal., I, 1870, 480. 

 Buteo sicainsoni var. o.vyptcrus, Eidgw., in B. B. & I!., Hist. N. Am. Birds, III, 



1874, 260. 

 "Bw-fco harlani,^' Bryant, Pr. Bost. Soc. N. U., 1801, 110— Cooper, Orn Cal., 

 I, 1870, 473 (part) [not B. harkuii, AuD.J. 



Swainson's Buzzard is one of tlie most abunclHut of the larg-e Ilawlcs 

 of the Interior, but 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 



