*9 



Eyes small, mouth beneath. Lower fins trapezoidal, about 

 twenty transversal lines. A doubtful species, perhaps an Hy- 

 drargyrus, but the mouth is like that of the Sucker. 



63d Species, Red-tail Sucker. Catostotnus erythrurus. 

 Catostome rougequeue. 



Diameter one fifth of the length: rufous brown above, white 

 beneath; tail olivaceous: head convex, snout rounded: lateral 

 line straight: dorsal fin trapezoidal redish with 12 rays, anal fin 

 elongated yellow, anal falcated, with 7 rays. 



A fine species, not uncommon in the Ohio, Kentucky, Cum- 

 berland, Tennessee, &c. Vulgar names Red-horse, Red-tail, 

 Horse-fish, Horse Sucker, Sec. Length about one foot. Scales 

 very large. Mouth beneath. Iris whitish, eyes black. Pectoral 

 fins yellow elliptical reaching the abdominals and with 16 rays. 

 Tail large with 20 rays. Its flesh is dry and not very good to 

 cat. 



64th Species. Kentucky Sucker. Catostomus Jlcruosus. 



Catostome flexueux. 



Diameter one fifth of the length: silvery, back brownish, 

 scales rather rough, opercule flexuose: head squared, snout 

 gibbose truncate; lips very thick, the inferior bilobed: lateral 

 line flexuose: tail brown* dorsal fin blackish with 12 rays* anal 

 fm 4rhftis1i>with t raya amd reathing the *asl» 



The most common species in Kentucky, in all the streams 

 and ponds, called merely Sucker. Very good to eat. It con.. 

 ceals itself in the mud in winter. It bites at the hook, living on 

 minnies and little lobsters. Body thick cylindrical. From ten 

 to twelve inches long. Head large, a deep depresion between 

 the snottt and the head, mouth large with fleshy lips. Eyes 

 large black, iris yellow. Opercule hard bony. Lower fins 

 whitish, pectorals elongated elliptical with 20 rays. Tail 20 

 rays. Dorsal trapezoidal sloping behind. This fish is tho 

 most useful to keep in ponds. 



65th Species. Big-mouth Sucker. Catostomus? mc^aslo- 

 muB. Catostome megastome. 



Diameter one fifth ol the length: blackish above, yellowish 

 beneath, very broad: a spine at the base of the pectoral fins: 

 lateral line straight. 



