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crossed by three or more prominent transverse ridges. A high, upright, keel-shaped casque 

 swollen in the posterior portion, descending rapidly from the anterior terminus, rises from tl 

 centre of the culmen about one third its length from the base, and extends backwards to th 

 middle of the head ; this casque is of a uniform deep red. Bare skin around the eye blue • that 

 on throat bluish white, crossed on the lower part by a narrow black line. Occiput and nane 

 chestnut. Sides of face and neck and upper part of breast light tan-brown colour. Entire rest of 

 plumage of body and wings black, with greenish reflections. Tail pure white. 



Total length 40 inches ; wing 18 ; tail 14; bill along the gape 9, height at base with casque 

 5 ; length of casque 4J, height in front from culmen 2f . These measurements are taken from a 

 yery fine adult specimen, and possibly exceed the average. 



Female. — Bill, casque, bare skin around eyes and throat, and the tail the same as the male 

 rest of plumage black. 



Total length 29| inches, wing 15J, tail 11, bill 6J, casque 4. 







