ASK). 2s:) 



Genus ASIO Briss. 



Asi'o Brisson, Ora. i. p. 477, 1760. T^ype ^- otus Linne. 



This genus is distinouishej bv the distinct tufts of feathers on 

 the sides of the head and in having the cere longer than the 

 euhnen. 



179. Asio clamator. 



Cayenne Owl. 



Bubo cJamator Yieill. Ois. Amer. Sept. i. p. 52, pi. 20, 1S07 (Cayenne). 



Asio mexicanus Shai-pe, Cat. B. Brit. Mus. ii. p. 231. lS7o. 



Asio clamator Brabourne & Chuhb. B. S. Amer. i. p. 74, no. 680, 1912. 



Adult male. General colour of the upper surface rufescent buff, 

 including the crown of the head, back, wings, and tail, broadly 

 streaked and finely vermiculated with brown on the head, back, 

 and upper wing-coverts, barred and vermiculated with the same 

 colour on the flight-quills and tail : a crescentic line of white on 

 the forehead; lores, hinder cheeks, and chin white; a spot in front 

 and below the eye and a patch on the throat rufous : a dark brown 

 line from above and behind the eve encircling; the throat : fore- 

 neck for the most part white with dark tips to the feathers ; 

 lemainder of the under surface sandy-buff broadly streaked with 

 black on the abdomen and sides of the body. 



Total length 3-45 n\m., culmen 34, wing 235, tail 12'.b tarsus 50, 

 middle toe and claw 48. 



We do not know the exact locality in the Colony of the male 

 described. 



Adult female. General colour above and below buff, broadly 

 streaked and mottled v.-ith dark brown and large ovate spots of 

 white on some of the upper wing-coverts : primary-coverts dark 

 brown ; crowji of head and nape brighter and more orange-buff : 

 ear-tufts margined on the inner webs with orange-buff ; base of 

 forehead and facial disc white, the latter more or less intermixed 

 with rust-colour and the feathers lipped with blackish on the outer 

 edges, which forms a circular margin on the hinder face ; the 

 feathers surrounding the eves and nostrils are bristle-like and 

 coloured black and white ; the feathers on the middle of the breast 

 and abdomen have a great deal of white on the inner webs ; the 

 feathers on the toes have dark shaft-lines. 



