THE SNAKES 205 



should be kept open and draining for at least two weeks, 

 no matter how favorable may be the symptoms. 



Following the writer's idea of showing the size, classi- 

 fication and distribution of each Order, a condensed list 

 of the Ophidia is given: 



Number of Distribution. 



Species. 



Family Typhlopida (Small, de- 

 generate, burrowing snakes. 

 All harmless). 



Genus Helminthophis 5 species Tropical America. 



Genus Typhlops 97 species So. Europe; So. Asia; Africa; 



Australia and trop. Amer. 



Genus Typhlophls 1 species Brazil and Guiana. 



Family Olauconiidw (Diminutive 

 burrowing snakes. Harm- 

 less). 



Genus Anomalepis 1 species Mexico. 



Genus Glauconia 27 species So. U. S. to Brazil; S. W. 



Asia and Africa. 

 Family Boidce (Embraces the 

 giant constrictors; a num- 

 ber of the species are of 

 small size. All are devoid 

 of fangs). 

 Subfamily Pythonince. The 

 Pythons. 



Genus Loxocemus 1 species Mexico. 



Genus Nardoa 1 species New Ireland. 



Genus Liasis 6 species Timor, New Guinea and 



North Australia. 



Genus Python 9 species S. E. Asia; Africa; New 



Guinea and Australia. 



Genus Chondropython 1 species New Guinea. 



Genus Aspidites 2 species North Australia. 



Genus Calabaria 1 species West Africa. 



Subfamily Boina. The Boas. 



Genus Epicrates 6 species Tropical America. 



Genus Corallus 5 species Tropical America; Madagas- 

 car. 



Genus Enygrus 4 species Moluccas; Papuasia. 



Genus Trachyboa 1 species Brazil. 



Genus Ungalia 8 species Trop. So. America ; West In- 

 dies. 



