No. 40.] 69 



Names given by Prof. Agassiz. Synonyms. 



Carpioides THOMPsoNi Catostomtjs cyprinus, Thompson. 



f Labeo gibbosus, 

 Labeo elegans, 

 Labeo esopus, 



MOXOSTOMA OBLONGUS* { LaBEO OBLONGDS, 



Catostomus TUBERCULATUS, 

 Catostomus vittatcs, Dekay's New 

 York Fauna. 



MoxosTOMA ANisuRUs Catostomus anisurus, Raf. 



Ptychostomus aureolus Catostomus aureoltjs, Les. 



Ptychostomtjs duqxjesnii Catostomus duquesnii, Les. 



Ptychostomus macrolepidotus . . Catostomus macrolepidotus, Les. 



Hylomyzon nigricans Catostomus nigricans, Les. 



Catostomus forsterianus (new sp.). 



EXOGLOSSUM MAXILLINGUA CaTOSTOMCJS MAXILLINGUA, LeS. 



f Leuciscus pygm^us, Dekay. 

 ,, * I Hydrargyra atricauda, Dekay. 



MeLANURA ANNULATA* < TT rr-i ^ 



] Hydrargyra fusca, Thomp. 

 l^FuNDULus Fuscus, Storer. 



HyBORHYNCUS NOTATUS . MiNNILUS notatus, Raf. 



LupiLus CHRYsoLEucAs Stilbe chrysoleucas, Dekay. 



* In these instances, Pr6f. Agassiz has ascertained that different forms of 

 the same have been mistaken for different species. 



ERRATUM IN LAST YEAR'S REPORT. 



Page 125. For "4, Geology, fourth district (Emmons)," read second 

 district. 



