232 



NATURAL HISTORY OF BIRDS. 



male, but is smaller. The third genus, uffipypodius, has two species from New Guinea 

 and Waigu ; but little is known of them. 



The second family of this sub-order is the CRACID^E, divided into three sub-families, 

 with between fifty and sixty species. They are inhabitants of the tropical portions of 

 the New World, and although there is no important difference in their osteological 

 structure and that of the Megapodidae, they are entirely different in their economy 



FIG. 110. Taleyallus lathami, brush-turkey. 



and habits. While the megapodes are terrestrial birds, passing the greater portion of 

 their existence upon the ground, the Cracidae are essentially arboreal, build nests in 

 the trees, and incubate their eggs like true birds. 



The first sub-family, Oreophasinse, with its single species, Oreophasis derbyanus, is 

 a native of Guatemala and the woods of the Volcan de Fuego to a height of 10,000 

 feet. It is apparently rare even in the localities it frequents, and not much is known of 

 its habits, beyond the fact that it frequents the upper branches of the forest trees, 



