CHAP. XIX.] 



REPTILES. 



373 



Family 2.— TOKTKICIDzE. (3 Genera 5 Species.) 



General DisTiiiuutioN. 



The Tortricidee, or Short-tailed Burrowang Snakes, are a small 

 family, one portion of "which ranges from India to Cambodja, and 

 through the Malay islands as far as Celebes and Timor ; these 

 form the genus CylindrojpMs. Another portion inhabits America, 

 and consists of: — 



Charina (1 sp.), found m California and British Columbia; 

 and Ihrtrix (1 sp.), in Tropical America. 



We have here a case of discontinuous distribution, indicating, 

 either very imperfect knowledge of the group, or that it is the 

 remnant of a once extensive family, on the road to extinction. 



Family 3.— XEXOPELTIDiE. (1 Genus, 1 Species.) 



General Distribution. 



The curious nocturnal carnivorous Snake, forming the genus 

 Xenopeltis, and the sole representative of this family, ranges from 

 Penang to Cambodja, and through the Malay Islands to Celebes. 



Family 4.— UEOPELTID^. (5 Genera, 18 Species.) 



