RIJKS MUSEUM VAN NATUURLIJKE HISTORIE — LEIDEN. 237 



skink that is found in Simalur, Mas, Sipora and Engano only. These 

 two cases contradict the supposition that the islands have always been 

 separated and have the same inhabitants as the corresponding parts 

 of Sumatra, and the occurrence of G. kandianus in the islands and in 



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Ceylon and S. India also, shows that a connection with western parts 

 has existed. It is always possible of course that both species also 

 inhabit Sumatra also but up till now have not yet been found because 

 its western coast is not so well known faunistically as the rest. Some 

 small collections made during the last years between Sibolga and Padang 



