68 [Senate 



346* Myliobatis freminvillii, Lesu. Freminville's Ray. 



347 Myliobatis sayi, Lesu. Say^s Ray. 



348 Myliobatis acota, Ayres. Slender Ray. 



349 Torpedo occidektalis, Storer. Numbfish or Crampjish. 



350 Petromyzon argentatus, Kirt. Silvery Lamprey Cabinet. 



— — Lake Erie. S. F.Baird. 



351 Carpioides thompsoni, Agass. 



352 Hyborhyncus notatus, Agass. 



353 Moxostoma anisurus, Agass. {Catostomus anisurus, Raf.) 



354 Ptychostomds jjuquesnii, Agass. (Catostomus duquesnii, Lesu.) 



355 Catostomus forstebianus, Agass. 



Making a total of : Families 32 ; 



Genera 156 ; 



Species 355. 



Of the species above enumerated, there are one hundred and one in the 

 State Cabinet, as wiU be seen from the preceding catalogue. 



Erratum. No. 158, for Melanura pygtruea^ read M. annulata. 



Since the preceding report was printed, we have received the 

 January and " March numbers of the American Journal of Science 

 and Arts. They contain a valuable paper by Prof. Agassiz, entitled 

 a " Synopsis of the Ichthyological Fauna of the Pacific Slope of 

 North America, chiefly from the collections made by the United 

 States Exploring Expedition under the command of Captain C. 

 Wilkes, with recent additions and comparisons with eastern types j" 

 a full notice of which will be given in the next report. 



The following is a list of the New-York fishes referred to in the 

 Synopsis, with the names given by Prof. Agassiz and the synonyms 

 of other naturalists. 



