200 ACCIPITER BÜTTIKOFERI. 



Accipiter büttikoferi, sp. n. 



Adult male: General colour above greenish black , 

 with a slaty-grey gloss ; upper tail-coverts white , forming 

 a band; wing-coverts like the back; quills blackish, ex- 

 ternally like the back, the inner secondaries rather more 

 slaty grey externally ; all the quills barred with black on 

 the inner web, which is white for the basal half; tail- 

 feathers black , the two centre ones entirely so , the re- 

 mainder barred with black on the inner web and barred 

 or notched alternately with greyish white, or pure white 

 nearer the base ; crown of head , lores , sides of face , ear- 

 coverts , and cheeks black ; throat pure white ; sides of neck 

 black , remainder of under surface of body white , freckled 

 with delicate blue-grey , in vermiculations on the lower 

 breast and abdomen; sides of chest uniform blue grey; 

 sides of breast clear delicate vinous; thighs grey, freckled 

 with white; under tail-coverts white; under wing-coverts 

 white ; axillaries white , with dusky grey bars ; quills below 

 ashy, barred with dusky black and white; bill black, cere, 

 feet and iris orange red. 



Total length 9 inches; culmen with cere 0.6; wing 5.9; 

 tail 4.1; tarsus 1.7; middle toe (without claw) 1.0; hind 

 toe 0.5; outer toe 0.6. 



The adult female is similar to the male but a little 

 larger. Total length 10.8 inches, culmen 0.8, wing Q.Q, 

 tail 4.9, tarsus 1.8. 



Hab. Liberia : Sofore Place , Hill Town and Schietfe- 

 linsville. 



British Museum (Natural History) May 24, 1888. 



Notes from th.e Leyden IMuseum. , Vol. X. 



