CLASSIFICATION OF VERTEBRATA 57 



a. The divisional line is applicable to the following 

 animals : 



Trionychidae. Viperidae. Hooded Elapidae. 



Trogones, Cacatuinae, Meliphaginae. 



Phalangistidae, Manidae, Ehinoceros, Ursus, Mustelinae, 

 Felis, Hystricinae, Tupajidae, Galeopithecus. 



6. The following animals extend eastwards, beyond the 

 line : 



Labyrinth-fishes. 



Pelobatidae ; Rana and Bufo. 



Crocodilus. Crotalinae. Tortricinae. 



Treron into Celebes, Timor, and the Moluccas, but not 

 into New Guinea. 



Pici into Celebes. Bucerotinae into New Guinea. 



Sus into Celebes and New Guinea. 



Several Monkeys, Tarsius, Viverra, Paradoxurus, Cervus, 

 Anoa, Babirusa. 



Sciurus, in Celebes. 



Celebes should therefore be excluded from the Austro- 

 Malayan sub^region. 



c. The following animals extend westwards, beyond the 

 line : 



Megapodiidae. Ptilinopus. 



d. The line is otherwise inapplicable to Paradiseinae and 

 Fringillinae. 



4. POLYNESIAN SUB - REGION, better to be treated as 

 a province of the New Zealand sub -region. Char- 

 acterised rather by absence of terrestrial and fluviatile 

 animals. 



Hawaian Islands : one species of Bufo ; Geckones, Bats ; 

 characterised by Drepanididae. 



II. NEOTROPICAL REGION. Characterised by Cysti- 

 gnathidae ; Tejidae, Amphisbaenidae ; Cracidae. 



1. SOUTH AMERICAN SUB-REGION. Characterised by Lepido- 

 siren. 



Pipa, Denclrobatidae, Hylidae. 



Pelomedusidae, Chelydidae, Testudinidae. 

 Crocodilus and Alligator. 

 Crotalinae ; Amphisbaenidae. 



