CHAP. XIX.J REPTILES. 419 



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



General Distribution. 



Neotropical 

 St;b-reoions. 



Nearctic 

 Sob-regions. 



Pal^arctic I Ethiopian 

 Sub-regions. Sub-rkgions. 



Oriental 

 Sub-regions. 



Australian 

 Sub-regions. 



1.2. 3. 4 3- 3 4 l.a.3.4 1.2.3.4 1.2.3 — 



The Polypedatidse, 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 ; Ehacophorus (7 sp.), and Theloderma (1 sp.), 

 are Oriental; Hyla7'ana, (10 sp.). Oriental, to the Solomon Islands 

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

 Megalixalus (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 ; Polypedates (1 9 

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

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

 Hylamhates (3 sp.), Hemimantis (1 sp.), and Chiromantis (1 sp.), 

 are Ethiopian ; Eappia (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.), 

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

 dadylus (1 sp.), Calostethus (1 sp.), Strahomantis (1 sp.), and 

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

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

 West Indian Islands. 



