108 BIRDS OF S. AMERICA. "[ CH - n 



(ii) Genera peculiar to the region. 



Pteronotus, Chilonycteris, Noctilio (Bats). 



Solenodon (Insectivore). 



Icticyon, Galictis, Noma, Cercoleptes (Carnivora). 



Dicotyles, Lama (Ungulates). 



Neotomys, Cercolabes, Chcetomys (Rodents). 



Chironectes, Hyraoodon (Marsupials). 



Mimocychla, Donacobius, Gyanocorax, Basileuterus, 



Sycalis, Diuca, &c. &c. (Passeres). 

 Picumnus, Chloronerpes, Guira, Neomorphus, Pany- 



ptila, &c. &c. (Picarise). 

 Ara, Gaica, Chrysotis, Pionus, &c. (Psittaci). 

 Columbula, Zenaida, Starncmas, &c. (Columbse). 

 Odontophorus, Bendrortyx, Eupsychortyx (Galli- 



nacese). 

 Sarcorharnphus, Spiziastur, Morphnus, &c. (Acci- 



pitres). 

 Heliornis, Oreophilus, Pluvianellus, &c. (Rails). 

 Tigrisoma, Cancroma (Ardeidse). 

 Micropterus, Merganetta (Anatidse). 

 Rhea (Struthiones). 



Besides the peculiar families enumerated above the 

 Nearctic region shares with the present the exclusive 

 possession of the Humming-birds (Trochilidse), Tanagers, 

 Mniotilitidse, Vireonidse, Tyrannidae, Oonuridae, of all of 

 which the bulk of the species are South American. The 

 American vultures, which have been aptly termed by Mr 

 Seebohm Mimogypes, are chiefly neotropical, but also 

 range into the northern hemisphere. Of characteristic 



