20 FALCONIDJE. 



Sp. 11. Mo? atricapillus. 



Mo ? all/us macula utrinque inter rostro et oculis ; occipite dorso 



alisque nigris. 

 White Morphnus with a spot on each side between the beak and 



eyes ; the occiput, back, and wings black. 

 Falco atricapillus. Cuv. Temm. PI. Col. 79. 



Inhabits Cayenne. Length sixteen inches : the 

 lores are adorned with a spot composed of small black 

 feathers and bristles, passing over the eye in a streak : 

 the occiput, shoulders, back, and wings are plain 

 black, or brownish in younger birds : the forehead, 

 the top of the head, the neck, nearly all the under 

 parts, the lower surface of the wings, and the base of 

 their feathers, are pure unspotted white : the tail is 

 rayed above with broad brown and narrow black lines, 

 beneath with ashy and dusky black : the legs, the 

 base of the beak, and the cere are yellowish ; the rest 

 of the beak black. 



Sp. 1 2. Mo ? tyrannus. 



Mo. cristatus capite colloque posticc dorsoque superiore pi units 



albis, apicibusj'uscis, tectis, corpore fusco. 

 Crested Morphnus with the head and neck behind and upper part 



of the back clothed with white, brown-tipped, feathers ; the 



body brown. 

 Falco tyrannus. Maxim. Trav. i. 317. — Tyrant Eagle. Lath. 



Gen. Hist. i. 234. 



Inhabits Brazil. Length about twenty-six inches : 

 feathers at the back of the head lengthened into a 

 crest, and erect ; hind parts of the head and neck, 

 sides of the neck, and upper parts of the back covered 

 with white feathers, tipped with dark brown, but lie 

 over each other, so that the white is covered : the 



