vi PREFACE. 



To Dr. William Blanding, formerly of Columbia, South Carolina, and now 

 residing in Philadelphia, for several undescribed reptiles from the South and 

 West, especially for a new and beautiful specimen of the Cistuda Blandingii, an 

 inhabitant of the western states. 



For the Saurian animals I have to thank Mr. Nuttall, the Botanist, for a 

 beautiful specimen of the Phrynosoma coronata, procured by him in the Oregon 

 territory, and for valuable remarks on the habits of the animal. 



Also, the Honourable J. R. Poinsett, Secretary of War, for a hving specimen 

 of the Phrynosoma cornuta from Arkansas. 



A. Gaillard, Esq., of Charleston, for a specimen of the Phrynosoma orbiculare, 

 found by him in Texas. 



JOHN EDWARDS HOLBROOK. 



Medical College, Charleston, South Carolina, 1S42. 



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