INTRODUCTION 



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Lectotype: One of the cotypes that may be selected by a later 



v/riter as having been the specimen on which the 

 original description was based. 

 If there is more than one cotype or paratype, I give the total number of each 

 in parentheses. 



The genera and species are listed alphabetically under the following 

 classes, orders, and suborders: 



Classification Number of names 

 Class Amphibia 



Order Gymnopiona (caecilians) 12 



Order Caudata (salamanders) 176 



Order Salientia (frogs) 409 



Class Reptilia 



Order Squamata 



Suborder Sauria (lizards) 558 



Suborder Serpentes (snakesj 524 



Order Testudines (turtles) 62 



Order Loricata (crocodilians) 1 



Students may wish to know their division 



Families Species 



Agamidae 10 



Alligatoridae 1 



Ambystomidae 39 



Amphisbaenidae 9 



Anguidae 29 



Atelopodidae 5 



Boidae 24 



Bufonidae 55 



Caeciliidae 12 



Centrolenidae 9 



Chamaeleontidae 2 



Chelonidae 5 



Chelydridae 1 



Colubridae 412 



Crotalidae 46 



Cryptobranchidae 1 



Dendrobatidae 7 



Elapidae 17 



Emydidae 31 



Gekkonidae 53 



Helodermatidae 1 



Hydrophidae 3 



Hylidae Ill 



into families, as follows: 



Families Species 



Hynobiidae 6 



Iguanidae 276 



Kinosternidae 16 



Lacertidae 7 



Leiopelmidae 3 



Leptodactylidae 122 



Leptotyphlopidae 13 



Microhylidae 23 



Pelobatidae 8 



Pipidae 2 



Plethodontidae Ill 



Proteidae 7 



Ranidae 51 



Rhacophoridae 13 



Salamandridae 8 



Scincidae 80 



Sirenidae 4 



Teiidae 82 



Testudinidae 5 



Trionychidae 4 



Typhlopidae 8 



Viperidae 1 



Xantusiidae 9 



