CONTENTS. 



Plate XXXII. Unio inflatus. 



„ XXXIII. Unio leptodon. 



„ XXXIV. Fig. 1, Unio ellipsiformis. 



,, „ Fig. 2, Unio lienosus. 



,, XXXV. Fig. 1, Unio stapes. 



,, ,, Fig. 2, Unio intermedius. 



,. XXXVI. Fig. 1, Unio occidentals, 



No. VIII. will be published in January. 



NEW FRESH WATER SHELLS OF THE UNITED 

 STATES, &c. 



For sale by J. Dobson, a few copies of this work, which contains 

 coloured illustrations of bivalve and univalve shells, and embraces a 

 monography of the genus Anculotus. Most of the species described 

 in this book were obtained by the author in Alabama. 



NORTH AMERICAN HERPETOLOGY. 



Just Published, and for sale by J. Dobson, 108 Chesnut Street, 

 NORTH AMERICAN HERPETOLOGY; 



OR A DESCRIPTION OP THE 



REPTILES INHABITING THE UNITED STATES. 



BY JOHN EDWARDS HOLBROOK, M. D. 



Professor of Anatomy in the Medical College of the State of South Carolina, Member 

 of the Royal Medicai Society of Edinburgh, Corresponding Member of the 

 Academy of Natural Sciences of Philadelphia, and of the New- 

 York and Baltimore Lyceums of Natural History. 



Vol. I. royal 4to. with splendid Coloured Plates. 

 This beautiful work will consist of four volumes, royal quarto, illus- 

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