chap. xix.J REPTILES. 419 



Family 18.— POLYPEDATID.E. (24 Genera, 124 Species.) 



General Distribution. 



The Polypedatidge, or glandless Tree Frogs with narrowed 

 sacrum, are almost equally numerous in the Oriental and Neo- 

 tropical regions, more than forty species inhabiting each, while 

 in the Ethiopian there are about half this number, and the re- 

 mainder are scattered over the other three regions, as shown in 

 the enumeration of the genera : — 



Ixalus (16 sp.), Oriental, except one in Japan, and one in 

 Western Polynesia ; Bhacophorus (7 sp.), and TJieloderma (1 sp.), 

 are Oriental ; Hylarana, (10 sp.), Oriental, to the Solomon Islands 

 and Tartary, Nicobar Islands, West Africa, and Madagascar; 

 Megalixa.lus (1 sp.), Seychelle Islands ; Leptomantis (1 sp.), Philip- 

 pines ; Platymantis (5 sp.), New Guinea, Philippines, and Fiji 

 Islands ; Cornufer (2 sp), Java and New Guinea ; Polypedatcs (1 9 

 sp.), mostly Oriental, but two species in West Africa, one Mada- 

 gascar, two Japan, one Loo-Choo Islands, and one Hong Kong ; 

 Hylambates (3 sp.), Hemimantis (1 sp.), and ChiromarUis (1 sp.), 

 are Ethiopian ; Bappia (13 sp.), is Ethiopian, and extends to 

 Madagascar and the Seychelle Islands ; Acris (2 sp.), is North 

 American ; Elosia (1 sp.), Epirhixis (1 sp.), Phyllobates (9 sp.), 

 Eylodes (26 sp.), Hyloxalus (1 sp.), Pristimantis (1 sp.), Crosso- 

 dactylus (1 sp.), Calostethus (1 sp.), Strabomantis (1 sp.), and 

 Leiyla (1 sp.), are Neotropical, the last two being Central Ame- 

 rican, while species of Hylodes and Phyllobates are found in the 

 West Indian Islands. 



