180 MIMOGYPES. 



Suborder XIL BUCEROTES. 



Front plantar leading to hallux; no lateral bare tracts on the 

 neck; no basipterygoid processes; episternal process perforated to 

 receive the feet of the coracoids. 



The Bucerotes consist of the family Bucerotidoe, containing about 

 sixty species confined to the Ethiopian and Oriental Regions. 



Order MIMOGYPES. 



The Order Mimogypes contains only one Suborder, which is not 

 represented in Japan. 



Suborder XIII. MIMOGYPES. ^ 



The Pseudo- Vultures of America possess the following cha- 

 racters : — 



Hallux present, and connected with i\\e flexor perforans digitorum ; 



Deep plantar tendons of Cathartes aura. 



spinal feather-tract not defined on the neck ; basipterygoid processes 

 present ; young bom helpless, but covered with down. 



Of these four characters the combination either of the first three 

 or of the last three is not known to occur in any other bird. 



