CLASSIFICATION OF VERTEBRATA 55 



GEOGRAPHICAL DISTKIBUTION 



NOTOGAEA (Huxley). Southern World 



I. Australian region (Sclater). 



1. New Zealand sub-region (Wallace). 



2. Australian sub-region (Wallace). 



3. Papuasian or Austro - Malayan sub - region 



(Wallace). 

 II. Neotropical region (Sclater). 



1. South American sub-region. 



2. Antillean or West-Indian sub-region. 



AKCTOGAEA (Huxley). Northern World 



III. Periarctic region (Gadow) = Holarctic (Heilprin). 



1. Palaearctic sub-region (Sclater). 



a. Eurasian province. 



5. Mediterranean province. 



2. Nearctic sub-region (Sclater). 



a. Canadian province. 



6. Sonoran province. 



IV. Palaeotropical region (Gadow). 1 



1. African sub-region. 



a. Ethiopian province. 

 ~b. Malagasy province. 



2. Oriental sub-region. 



a. Indian province. 

 6. Malay province. 



1 By the establishment of the Palaeotropical region (Bronn's Thierreich, 

 Toegel. Systevmt. Theil, p. 296, 1893), the Ethiopian (African) and the Indian 

 or Oriental regions of Sclater and Wallace assume their proper subordinate rank 

 of sub-regions. 



