CHAP. XIX.] 



REPTILES. 



389 



The Amphisboenidpe, which, in the opinion of Dr. Giinther, 

 are all comprised in the genus Amphishvna, inhabit Spain and 

 Asia Minor, North and Tropical Africa, South America as far as 

 Buenos-Ayres and the West Indian Islands. 



Family 29.— LEPIDOSTERNID.E. (3 Genera, G Species.) 



General Distribution. 



Oriental 

 Sub- REGIONS. 



Australian 

 Sub-regions. 



The small family of Lepidosternidas has nearly the same 

 distribution as the last, indicating a curious relationship between 

 the Tropical parts of Africa and America. Zcjndostcrnon and 

 Cc])]ialopeltis are American genera, while Monotrojplds is African. 



Family 30.— VARANID/E. (3 Genera, 30 Species.) 



General Distribution. 



Neotropical 



SUB-REOIONd. 



Nearctic 

 sub-iiegions. 



Pal^arctic 



SUB-nEUIONS. 



Ethiopian 

 sub-keoions. 



Ol'.IKNTAt 

 SUB-KKOIONS. 



Au.stralian 



sub-kegions. 



— 2 1.2.3— 1.2.3.4- 



1 .2 



The Varanidae, or Water Lizards, are most abundant in the 

 Oriental region, whence they extend into the Austro-IMalay 

 Islands as far as ISTew Guinea, and into Australia. Several 

 species are found in Africa. Psammosaurus (1 sp.), is found in 

 North Africa and North-western India ; Monitor (18 sp.), 

 has the range of the family ; while Hydrosmirus (8 sp ) ranges 

 from Siam to the Philippines, New Guinea, and Australia. 



