17. MICRASTTJR. 79 



a 



2 ad. sk. Capim River. A. R. Wallace, Esq. [C.l 



b. $ ad. sk. Para. A. R. Wallace, Esq. [C.]. 



c. c7 ad. sk. Bogota. Purchased. 



d. Juv. sk. Bogota. Purchased. 



e. 5 ad. sk. Trinidad. Purchased, 



5. Micrastur guerilla. 



Micrastur guerilla, Cass. Proc. Phil. Acad. 1848, p. 87 ; Gray, Gen. 

 B. i. p. 28 (1849) ; Bp. Consp. i. p. 30 (1850) ; Cass. Journ. Phil. 

 Acad. i. pi. xl. (1850) ; Strickl. Orn. Syn. p. 123 (1855) ; Gray, 

 Hand-l. B. i. p. 31 (18G9) ; Scl. Sf Salv. P. Z. S. 1869, p. 368. 



Micrastur concentricus, Scl. P. Z. S. 1856, p. 285. 



Micrastur gilvicollis, Scl. 8f Salv. Ibis, 1859, p. 218, 



Micrastur xanthothorax, Scl. P. Z. S. 1859, p. 358. 



Young. Head blackish ; back deep blackish brown, shaded with 

 chocolate, especially on wing-coverts, crossed with small and nearly 

 obsolete bars of duU rufous ; feathers of nape and sides of neck 

 white in their centres, forming a conspicuous niff ; sides of face 

 blackish brown ; cheeks white at base of feathers ; throat and fore 

 neck white ; rest of under surface buffy white, crossed with brown 

 bars, decreasing in extent towards thighs and abdomen, very minute 

 on under wing-coverts, and absent on under tail-coverts ; quiUs uni- 

 form with back and obsoletely barred with rufous in the same manner, 

 broadly barred with white on inner web below ; upper tail-coverts 

 uniform with back, the lower ones spotted with white ; tail blackish, 

 tipped with white, and crossed with five irregular bands of white. 



Adult male. Above uniform blackish slate-colour, the sides of the 

 face uniform with the head, outermost greater wing-coverts washed 

 with brown ; primary coverts and quiUs dull brown, barred with 

 white on inner web, the primaries only near the base ; tail blackish, 

 tipped with buify white, and crossed with three irregular whitish 

 bands ; throat and cheeks pale grey ; rest of under surface duU. 

 white, thickly barred with greyish black, the bars very close-set on 

 the breast, and much wider apart on the abdomen, thighs, and under 

 tail-coverts. Total length 14 inches, culmen 0-95, wing 6-95, tail 

 6-9, tarsus 2-4. 



Adult female. Similar to male, but more broadly barred under- 

 neath ; the back chocolate-brown like the wings, the blackish-grey 

 head contrasting plainly. Total length 14 inches, wing 7"3, tail 7*25, 

 tarsus 2-5. 



Hab. The whole of Central America, from Southern Mexico to 

 Panama, extending into Ecuador. 



a. c? ad. St. Mexico. Purchased. 



h. 2 *<!• sk. Jalapa. R. De Oca 



C.l. 



c. S j uv. sk. Jalapa. • R. De Oca [C.]. 



6. Micrastur zonothorax. 



Climacocercus zonothorax, Cab. J. f. O. 1865, p. 40G. 

 Micrastur zonothorax, Scl. Sf Salv. P. Z. >S. 1869, p. 366; Gray, 

 Hand-l. B. i. p. 31 (1869). 



Adult (type of species). Above chocolate-brown, the head a Kttle 



