THE ZOOGEOGRAPHY OF THE EAST INDIAN 

 ARCHIPELAGO 1 



DR. P. N. VAN KAMPEN 

 Translated frou the Dutch by 

 THOMAS BARBOUR 



Translator's Note 

 Nearly a year ago I received from my friend Dr. van 

 Kampon a paper which seemed at once of such present 

 interest and general excellence that I believed it should 

 be made available for English-speaking >tudonts of zoo- 

 geography. Its original publication in Java makes it 

 inaccessible to many. The essay was written to be read 

 before the Debating ( 'Inh of t he Batavian Royal Natural 

 History Society ; and I am under obligation to both Dr. 

 van Kampen and the president of the Koninklijke 

 Natuurkundig Vereeniging for permission to make and 

 publish this translation. 



The Zoogeography of the East Indian Archipelago 

 Even a superficial examination shows us that a very 

 considerable faunistic differentiation exists between the 

 western and eastern halves of the Indo-Australian archi- 

 pelago. Perhaps this differentiation is most evident 

 amongst the mammals. If one compares, for instance, 

 Sumatra with New Guinea, one finds at once upon the 

 lirst-named island a number of large mammals, such as 

 the tiger and the leopard, the rhinoceros and the tapir, 

 which are of course unknown upon New Guinea. Here, 



