CHAP. XIX.] 



REPTILES. 



417 



interesting distribution, being confined to Central and South 

 Europe, the southern part of South America, and New Zealand. 

 They consist of many isolated groups forming five separate sub- 

 families. The genera are : — 



Bombinator, Central Europe and Italy ; Pelobates and Didocus, 

 Central Europe and Spain ; Telmatobius (2 sp.), Peru and Brazil ; 

 Alsodes, Chonos Archipelago ; Cacotus, Chili ; Liopelma, New 

 Zealand ; Nannophryne, Straits of Magellan. 



Family 14.— PLECTKOMANTID^E. (1 Genus, 1 Species.) 



General Distribution. 



The Plectromantidse, which are Frogs with neck-glands, and 

 the toes but not the fingers dilated, consists of a single species of 

 the genus Plectromantis. It inhabits the region west of the 

 Andes, and south of the Equator. 



Family 15.— ALYTID^E. (5 Genera, 37 Species.) 



General Distribution. 



Neotropical 

 Sub-regions. 



Nearctic 

 Sub-regions. 



Pal^earctic 

 Sub-regions. 



Ethiopian 

 Sub-regions. 



Oriental 

 Sub-regions. 



Australian ' 

 Sub-regions. 



1 .2 .3 — 



1 1.2.3— 



1.2- 



The Alytidae are Frogs with neck-glands and undilated toes. 

 They are most abundant in the Ethiopian region, with a few 

 species in the Nearctic and Australian regions, and one in 

 Europe and Brazil respectively. The genera are : — 



Alytes (1 sp.), Central Europe; Scaphiopus (5 sp.), California 

 to Mexico and the Eastern States ; Hyperolius (29 sp.), all Africa, 

 and two in New Guinea and North Australia ; Heli&porus (1 sp.), 

 in Australia ; Nattcreria (1 sp.), Brazil. 



