428 AMERICAN FISHES. 
bullaris, of Virginia, also often called ‘*‘ Roach’’ or ‘‘ Dace,’’ is abundant 
in the Eastern and Middle States east of the Alleghanies. It reaches a 
THE EASTERN DACE—SEMOTILUS CORPORALIS. 
length of eighteen inches, being the largest of the Cyprinidz east of the 
Rocky Mountains. 
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THE FALL-FISH—SEMOTILUS BULLARIS. 
It is very common in the Delaware Basin, more so, perhaps, in the 
Susquehanna, but a common form in the head waters of the Atlantic-flow- 
ing streams of Virginia and the Carolinas. Hallock says that it has been 
caught weighing four pounds, that it is much esteemed as food, and affords 
good sport for the angler. I have myself taken them with light tackle and 
found them as gamy as brook trout in preserved streams. In Massachu- 
setts it is often called the ‘‘ Cousin Trout’’ in allusion to its trout-like 
habits, and also the ‘‘ Chiven’’ from its resemblance to the English Chub 
or Cheven. 
The mention of the American ‘‘Roach’’ brings us to the consideration 
of the Old World species, which it much resembles in habits. This is 
