GEOGRAPHICAL DISTRIBUTION 115 



South America, New Zealand, and perhaps Australia, This 

 belief is based upon the close resemblance in many remark- 



FlG. 28. Map of southeastern Asia, the East Indies, and Australia. The heavy black line 

 southeast of Bali, Borneo, and the Philippine Islands indicates the deep-water straits which sepa- 

 rate the Asiatic fauna from the Australasian fauna. The sharp contrast between the terrestrial 

 faunas in these two regions makes it probable that this line of demarcation is an ancient one. 



able particulars between the fossil faunas of these several 

 southern regions, no connecting links between which are 



