CH. II] NEOTROPICAL REGION. 107 



which Mr Wallace does not commit himself it is a tower 

 of strength in the way of peculiar forms. There are here 

 the Babirussa, the Bull -antelope (Anoa) and the ape 

 genus or sub-genus Cynopithecus. Among birds this sub- 

 region has as peculiar to it the genus Timelia among the 

 " Babbling thrushes," Eupetes, a curious form which Mi- 

 Forbes placed in the Timeliidse, arid quite a number of 

 other Passerine genera. The Australian Megapodius gets 

 into this sub-region, and there is the cuckoo Garpococcyx. 



V. The Neotropical region. 



This region has obvious boundaries for the greater 

 part of its extent, since it consists of the continent of 

 South America. It also includes the West Indies and 

 the greater part of Central America. 



(i) Families peculiar to the Neotropical region. 



Cebidce, Hapalidce (Quadrumana). 



Chinchillidce, Caviidce (Rodents). 



Bradypodidce, Dasypodidce, Myrmecophagidce (Eden- 

 tates). 



Ccerebidce, Oxyrhamphidce, Pipridce, Cotingidce, Phy- 

 totomidce, Dendrocolaptidce, Formicariidce, Ptero- 

 ptochidce (Passeres). 



Rhymphastidce, Bucconidce, Galbulidcv, Todidcv, Mo- 

 motidce, Steatornithidcv (Picarians). 



Cracidce, Tinamidce (Gallinaceye). 



Opisthocomidce (" Hoatzin "). 



Thinocoridce, Cariamidce, Aramidce, Psophiidce, 

 Eurypygidce, Palamedeidce ("Grallse"). 



