140 



5— C. macrolepidotus. 



Carp, or The Large-Scaled Sucker. 



Body compressed and fusiform, elevated on its anterior 

 part, rounded near the nape. The large scales are disposed 

 in a lozenge form. The dorsal fin is deeply emarginated. 

 The back is dark blue ; the sides are whitish, with yellowish 

 reflections; the head is reddish brown. Length, 12 to 15 in- 

 ches. 



Fin-rays:— D. 16 ; P. 18 ; Y. U ; A. 9 ; C. 18. 



G. macrolepidotus, Lesueur, Journ. Ac. Nat. Sc. Philad. 

 I, 1817, p. 94; DeKav, New York Fauna, Fishes, p. 202, 

 pi. 11, fig. 242. 



This finest of all our suckers belongs to the region adja- 

 cent to the mouth of the Elk Eiver. A very fine specimen 

 was obtained near Specutia Island by Major T. B. Ferguson. 



It is esteemed in the Philadelphia markets, but is not 

 brought to those of Baltimore. It well deserves to be pro- 

 tected and developed. 



Acad. Coll. 



CARPIODES, (Rafin.) Agassiz. 



G. cyprinus. 



Lon^-Fimied Chiiek-Sucker, 



Body elliptical, compressed; its height is more than one- 

 third of the total length. The anterior dorsal rays very 

 much longer than the rest; caudal fin deeply forked. The 

 scales are variegated with hlne, yellow and green, and all the 

 fins are grey-blue. Length, 8 to 20 inches. 



Fin-rays:— D. 27—32; P. 18; V. 9; A. 9—10; C. IS. 



C. cyprinus, Guenther VII, p. 24. 



Catostomus cyprinus, Lesueur, Journ. Ac. Nat. 8c. Philad. 

 T, 1817, pp. 91, 110. 



Labeo cyprinus^ DeKav, N. Y. Faun. Fish. p. 194, pi. 77, 

 ^\g. 243. ' 



Sdero(jnatIms o/prinus, Kirtland, Boston, Journ. Nat. 

 Hist. V, p. 275, pi. 22, fig. 2. 



Carpiodes vacca.. Agass. iit Am. Jourt^. Sc. & Art. XVII, 

 1854, p. 356. 



This very singular fish inhabits the northern part of 

 Chesapeake Bay near tlie mouth of the Elk River. It was 

 formerly brought to the Baltimore markets^ but recently has 



