CHAP. xix.J REPTILES. 419 



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



Gexekal Distribution. 



Xeotiiopical 



St;B-BEGIONS. 



Nkarctic I Pal.earctic 



SUB-REC.IONS. SUB-UEGIONS. 



Ethiopian 



Sub-regions. 



Oriental 

 Sub-regions. 



Australian 

 Sue-regions. 



1.2.3.4 3- I 3.4 1.2.3.4- 1.2.3.4 I 1.2.3 



I I I I I 



The rolypedatidie, 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 sliown in 

 the enumeration of the genera : — 



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

 Western Polynesia; Eliacophorus (7sp.), and Tlidodcrnia (1 sp.), 

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

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

 McgalixaJus (1 sp.), Seychelle Islands ; LqMmantis (1 sp.), Philip- 

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

 Islands ; Cornvfer (2 sp), Java and New Guinea ; Pohjpcdates (1 9 

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

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

 Hylaiiibatcs (3 sp.), Hemimantis (1 sp.), and Cliiromantis (1 sp.), 

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

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

 American ; Elosia (1 sp.), E2nrMxis (1 sp.), PhyUobatcs (9 sp.), 

 Hylodcs (26 sp.), Hyloxcdus (1 sp.), Pristimantis (1 sp.), Crosso- 

 dadylus (1 sp.), Calostcthus (I sp.), Strcdjomantis (1 sp.), and 

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

 rican, while species of Hylodcs and Pliyllohafcs are found in the 

 West India u Islands. 



E K 2 



