REPRINT OF ORIGINAL TEXT 41 



These Pages 



and the Discoveries which they contain 



in one of the principal Branches 



of Natural History, 



are respectfully Inscribed 



by the Author ; 



To his fellow-labourers in the same field of Science : 



Prof. Samuel L. Mitchill, M.D. 

 who has described the Atlantic Fishes of New York, 



and to 



C. A. Le Sueur, 



who was the first to explore the Ichthyology of the 



Great American Lakes, etc. 



In Token 



of Friendship, Respect, and Congratulation. 



