50 



materials for a future American Ichthyology. 

 His Memoir on the Chondropterygious Fishes of 

 America^ in the Transactions of the Ameri- 

 can Philosophical Society, is one of the 

 best zoological monographs with which we 

 are acquainted, and like the work of Brous- 

 sonet, will be found a useful model for the 

 ichthyologist. Nor have separate treatises 

 been wanting in this department. Mr. Ra- 

 finesque in his Ichthyologia Ohioensis, and 

 Dr. Mitch ill in his Report in part on the 

 Fishes of JYew-York^ have each endeavour- 

 ed to illustrate the Ichthyology of these 

 respective regions. The latter work, much 

 enlarged and improved, has appeared in the 

 Transactions of the Literary and Philosophical 

 Society of JVew-York. Our Annals contain 

 a few papers on this subject ; the Stylepho- 

 rus, and the Cephaloptera Vampirus, by Dr. 

 Mitchill, and the description of an interest- 

 ing species from the pen of Mr. Clinton. 

 The pages of the American Monthly Maga- 

 zine contain further descriptions of species, 

 more particularly from the neighbourhood 

 of this city.. 



Among the invertebrated animals, or those 

 not furnished with a bony spine separable 



