96 GENUS CATOSTOMUS. 



Body subcylindric; snout and head more lengthened than 

 those of the foregoing; head depressed; scales roundish, 

 regular, of a medium size; general colour of the head and 

 back a reddish brown, in some specimens darker than in 

 others; sides reflecting golden tints; abdomen whitish; pec- 

 toral^ ventral and anal Ji7is reddish brown; caudal Jin of 

 a reddish violet colour; dorsal Jin blue and yellow; the 

 lateral line^ after its base curve, descends to the tail below 

 the parallel of the centre of the eye. Length of specimen 

 sixteen inches. 



P. 18.— D. 14.— V. 10.— A. 9.— C. 24 rays. 



This species is tilken in the Delaware, and is very com- 

 mon in the markets of Philadelphia. The fishwomen 

 commonly exhibit them to sale in bunches, strung on the 

 pliable branches or twigs of the Willow. As an article of 

 food they are not esteemed, and they generally fall to the 

 lot of the poor. 



(To be continued.) 



It is with pleasure that we acknowledge our obliga- 

 tions to Mr. Le Sueur for the plate, No. 4^ which accom- 

 panies the present number. 



The figures from 1 to 6 are referred to in Mr. Say's 

 account of the Crustacea of the United States; the remain- 

 der will be here explained. 



Fig. 9, represents the Cerapus tubularis, in its tube, 

 of the natural size. 



Fig. 7, the same magnified. 



Fig. 8, tloe animal, divested of its habitation, magni- 

 fied. 



Fig, 10, a foot of -the second pair. 



Fig. 11^ the tail. 



PRIjYTED for the society by I). IIEARTT^ 

 And sold by THOMAS DOBSON AND SON", No. 41 South Second-Street, 

 and CALEB RICHARDSON, No. 1 North Tourth-Street. 



