136 MR. CASSIN'S DESCRIPTION OF A NEW BUCEROS. 



B. ELATUs, Temm. — (PI. Col., 521, accuratissima figura cranii et rostri) ( j juv. ?) Corpora et alis totis 

 nigris, subtus pallidioribus, parvo aut nuUo virore metallico. Occipite subcristato, plumis latis, laxis 

 et nigris. Eectricibus duabus intermediis nigris ; omnibus ceteris toto albis. 



Long. tot. exuvise, ab rostri apice usque ad caudse finem 36 poUices. 



Hab. In Africa occidentali. 



Body and wings entirely black, paler beneath, with little or no metallic lustre. Occiput with a sub-crest 

 of broad lax feathers, which are black. Two middle tail feathers black, all the others entirely white. 

 Total length (of skin) from tip of bill to end of tail three feet. 

 Hab. Western Africa. 



The supposed female is very similar in the general colouring of the body, wings 

 and tail, with the whole head and neck rufous chestnut, which colour extends to the 

 upper part of the breast. 



