INTRODUCTION. 



Generate, ou Histoire JVaturelle Complete des Reptiles, now 

 in the course of publication at Paris, So that there is every 

 reason to believe they are named in perfect accordance with 

 those in the various continental collections. 



The specimens presented by 



Sir Joseph Banks, may be regarded as the type of the species 



described by Dr. Shaw. 

 Thomas Bell, Esq., as the types of species described by him 



in his various papers, and in his very beautiful Mono- 

 graph of the Testudinata. 

 The Earl of Derby, 

 Sir Everard Home, 

 Capt. William Chambers, R.N. 

 Alexander Collie, Esq. 

 John Gould, Esq. 

 General Thomas Hardwicke, 

 Dr. John Richardson, 

 John Reeves, Esq. 

 John Russell Reeves, Esq. 

 Colonel Sykes, and 

 J. Whitfield, Esq., as the types of the species described by me 



in the Synopsis Reptilium, the Illustrations of Indian 



Zoology, the Proceedings of the Zoological Society, 



and other journals and books of travels. 

 The Royal Society, as the types of the species described by 



Pennant in the Philosophical Transactions, or figured 



by Grew in his Museum. 

 Dr. Ruppell, as the types of the species described in his 



Fauna of Abyssinia. 

 The Hon. East India Company, as the types of the species 



described by Dr. Cantor, in his Fauna of Chusan. 

 Dr. Richard Harlan, and 

 Messrs. Edward and Henry Doubleday, as the types of the 



North -American species described by Say, Harlan, and 



others. 



The specimens purchased or procured in exchange from 



The Francfort Museum, as the types of the species described 

 by Dr. Ruppell. 



a 3 



