332 Fishes of the Ohio 
opportunities, by placing himself in a convenient position, 
along the “old river bed,” near Cleveland, in the month of 
June, when he may see the old of this species of fish, moving 
cautiously about with her brood, and watching them with as 
much care as a hen does her young flock in a farmer’s yard. 
P. cerulescens. Raf. Blue, Brown, or Silvery Catfish. 
Pimelodus cerulescens. Blue  Cat-fish. TA A Ichthyol. Ohiensis, p. 63. 
i «c « &« i ep. pp. 169, 19 
x: « dae Ohien. p. 62. (Young.) 
t IN pa í & « [ wo Bier d aged.) 
« « « « Kirtland's Rep. E. i» ug 
“ — angyrus. Silvery  “ Raf. Ichth. Ohien. p. . pede 
locality. 
Plate XXVII. Fig. 1. 
Plate XXIX. Fig. 1. (Young.) 
Head flattened above the eyes, convex and full beneath i 
throat, more than one fifth of the total length. Eyes = 
oval, with the iris of a golden yellow. The two lateral si 
bels extend beyond the pectoral fins, their extremities bla 
with the advancement of age they become relatively shorter ; : 
of the inferior barbels, the two external are the longest. € 
furnished with numerous clustered teeth. Operculum in 
tinct, margined with a membrane. 
Body oval, broad ; back slightly elevated, the dorsal fin on 
the summit ; abdomen full. 
Dorsal fin ovate, more elongated in the young. 
Adipose fin broad, oblong-oval. d 
Caudal fin merely lunate in the old specimens, deeply an 
acutely forked in the you 
Anal fin widé and zd in the old, acute posteriorly in 
the young. of 
Ventral fins sub-circular, attain with their tips to the base 
anal. 
