374 



GEOGRAPHICAL ZOOLOGY. 



[PART iv. 



The Uropeltidse, or Rough-tailed Burrowing Snakes, are 

 strictly confined to Ceylon and the adjacent parts of Southern 

 India, and would almost alone serve to mark out our second 

 Oriental sub-region. The genera are : 



RhinopJiis (7 sp.), Ceylon ; Uropeltis (1 sp.), Ceylon ; Silybura 

 (8 sp.), Anamally Hills and Neilgherries ; Plecturus (3 sp.), Neil- 

 gherries and Madras ; and Melanophidium (I sp.), the Wynand. 



FAMILY 5. CALAMAKIIDJE. (32 Genera, 75 Species.) 



GENERAL DISTRIBUTION. 



The CalamariidsB, or Dwarf Ground Snakes, are found in all 

 warm parts of the globe, extending north into the United States 

 as far as British Columbia and Lake Superior; but they are 

 absent from the Palsearctic region, with the exception of a species 

 found in Persia. The species are in a very confused state. The 

 best characterised genera are the following : 



Calamaria (20 sp.), Persia, India to Java and the Philippine 

 Islands, Celebes, and New Guinea; Ehabdosoma (18 sp.), Mexico 

 and South America, and also the Malay Islands as far east as 

 Amboyna, Timor, and New Guinea; Typhlocalamus (1 sp.), 

 Borneo ; Macrocalamus (1 sp.), India ; Aspidura (3 sp.), India 

 and Ceylon ; Haplocerus (1 sp.), Ceylon ; Streptophorus (3 sp.), 

 Central and South America ; with a host of others of less im- 

 portance or ill-defined. 



FAMILY 6. OLIGODONTID^E. (4 Genera, 40 Species.) 



