TRACTS 
OF 
C. S. RAFINESQUE. 
Published or communicated , since the publication of his 
Circular Address on Botany and Zoology, in 1816, 
where his former works are enumerated. 
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1. Description of a new genus of American soft 
shell turtle, Aplaxia nasica , and several other new 
reptiles, Anguinus faciatus , Trituras fuscus , Tr, viri - 
descent, Qnyxurus airicapillus , Ranaria melanota , &c. 
communicated to the Literary and Philosophical So¬ 
ciety of New-York, 1816. 
2. Supplements to the Memoir on the American 
Sturgeons, where five other species are noticed. 
Communicated to the Society in 1816 and 1817. 
3. Dissertation on the cubic bulk of organized 
beings, or animals, and plants. Communicated to the 
same society, 1817. 
4. Botanical disquisition on ten native species of 
grape vines, from the State of New-York, most of 
which are new, and where it is shown that about 24 
species of the genus Viiis are found in North America. 
Read to the same Society, 1817. 
