S817.] GENUS HYDRARGIRA. 131 



Van? Body the same as in the preceding, ventral fins 

 nearer to the anus than to the pectoral finsj and very small; 

 anal fin subtruncate; eyes roundish; snout less elongated 

 than that of the foregoing, and the colours of the body 

 less lively; sides also marked with fourteen or fifteen trans- 

 verse brown bands; length of specimen described two 

 inches and a half. Found in Pipe Creek, Maryland. . 



P. 18.--D. 14.— V.6.— A. 12.-~C. 161 rays. 



2. H. multifaciata. Transverse bands of the body 

 about fifty in number on each side; dor sal fin and anal fin 

 almost equal, the latter pointed; extremity of the pectoral 

 fins passing somewhat the base of the ventral fins; eyes 

 round. 



Body more elevated in the middle than that of the dia- 

 phana^ and less transparent; the snout is shorter; the ven- 

 tral fins are likewise larger in proportion; but in the head 

 and tail there is a considerable resemblance; the side bands 

 are alternately olive-brown, and blue; length of specimen 

 three inches. 



P. 18.— D. 14.— V. 6— A. 12.— C. 161 rays. 



This species inhabits lake Saratoga; it is u^^cl for 

 bait. 



B^ Caudal fin rounded; bran. mem. 5-rayed. 



3. H. ornata. Body short, subquadrangular; snout 

 very short; lower jaw short and curved; dorsal fin 3.nd anal 

 fin large^ the formeP' longer than high, the latter subtrun- 

 cate; abdominal fins rounded, placed near the anal fin; pec- 

 toralfins ovate. 



Back somewhat elevated; upper part of the head and 

 of the body^ of a reddish umber colour; throaty abdomeji^ 



