184 FALCONID^. 



Ibis, 1869, p. 449; Schl Mus. P.-B., Reme Acdpitr. p. 108 

 (1873). 

 Buteo desertorum, Grand. Rev. et Mag. de Zool. 1867, p. 319. 



Adult. Above pale brown, the feathers on the head and intersca- 

 pulary region darker, the crown and nape more or less streaked with 

 white ; lores whitish ; sides of face and of neck pale rufous, narrowly 

 streaked with darker brown, the ear-co verts whitish ; throat and 

 breast white, the former narrowly, the latter very broadly streaked 

 with pale brown, especially on the sides of the breast ; belly and 

 thighs uniform pale brown, the feathers slightly tipped with whitish 

 and whitish also at base, especially on the lower abdomen and under 

 tail-coverts, which are entirely wliitish with large subterminal spots 

 of pale brown ; under wing-coverts whitish, largely marked with 

 rufous brown ; upper wing-coverts pale brown like back, the outer- 

 most slightly darker, the innermost greater coverts, as well as the 

 scapulars, varied with white markings on the inner web ; quills 

 brown, tipped with whitish, the secondaries more broadly, all barred 

 with darker brown, less distinctly on the primaries, which are rather 

 darker brown than the secondaries ; the inner web of the quills 

 white for two thirds of their length ; tail pale brown, tipped with 

 whitish, and crossed with six or seven rather broad bands of 

 darker brown ; cere yellowish ; bill horn-colour ; feet yellow ; iris 

 brown. Total length 18-5 inches, culmen 1-4, wing 11-8, tail 7-7, 

 tarsus 2-75. 



Younger. Very little different from the adult, but rather more 

 streaked on the head with white ; the lower parts of the body not 

 so uniform, especially on the abdomen, which is much mottled with 

 white. Total length 17'5 inches, wing ] 2*2. 



Hah. Madagascar. 



a. (S st. Madagascar. F. Pollen and D. C. Van Dam [0.]. 



b. c? sk. N.E.Madagascar, 1869. D. C. Van Dam 



c. $ ad.8k, Mouroundara, S.W. D. C. Van Dam 

 Madagascar. 



:c.]. 



C.]. 



ivpi. 



12. Buteo obsoletus. 



Buzzard Falcon, Perm. Arctic Zool. ii. p. 207 (1785). 



Plain Falcon, Perm. Arctic Zool. ii. p. 208 (1785). 



Falco obsoletus, Gm. S. K i. p. 268 (1788, ex Penn.X 



Falco buteo, Aiidub. B. N. Am. fol. pi. cccLxxii. (1831) ; id. Orn. 



Biogr. iv. p. 508 (1838). 

 Buteo vulgaris, Sw, &■ Rich. Faun. Bor.-Atn. Birds, p. 47, pi. 27 



(1831). _ 

 Buteo swainsoni, Bp. Camp. List B. Eur. ^- N. Am. p. 3 (1838) ; id, 



Consp. Av. i. p. 19 (1860) ; Cass. B. Calif. ^ Texas, p. 98 (1855) ; 



id. Pr. Philad. Acad. 1855, p. 280; Strickl. Orn. Syn. p. 30 (1855) ; 



Cass, in Baird, B. N. Am. p. 19, pi. xiii. (1860) ; Pelz. Verh. z.-b. 



Wien, 1862, p. 150 ; Gray, Hand-l. B. i. p. 7 (1869) ; Cooper, B. 



Calif, ed. Baird, p. 476 (1871) ; Coues, Key N. Am. B. p. 217 



(1872) ; Scl. &r Salv. Nomencl. Av. Neotr. p. 119 (1873). 

 Buteo bairdii. Hoy, Pr. Phil. Acad. 1853, p. 461 ; Cassin, op. cit. 1855, 



p. 279; id. B. Calif. 8f Texas, pp. 99, 257, pi. 41 (1855) ; Strickl. 



Orn. Syn. p. 37 (1855) ; Gray, Hand-l. B. i. p. 8 (1869). 



