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BULLETIN 120, UNITED STATES NATIONAL MUSEUM, 



few mai^s shoAving zoogeographical data from other groups, bearing 

 upon two questions often referred to in this paper — ^namely, the trans- 

 Atlantic bridges uniting tropical Africa with tropical America, and 

 an Antarctic connection between Australia and Patagonia. 



The Coeciliidae, an archaic, though specialized, family of Am- 

 phibia, have something the same distribution (fig. 256) as the Gastro- 

 phrynidae (fig. 229, p. 293 ; fig. 257) , except that they are absent from 

 Australasia, Madagascar, and southern South America. This ab- 



