SALMONID. 69 
Genus:  ARGYROSOMUS. 
Key to Spectes. 
A. Lower jaw projecting; depth in length 4%.— artedt. 
AA. Jaws about equal; depth in length 3 to 3%.— tullibee. 
Argyrosomus artedi (Le Sueur), Crisco; LAKE HERRING. 
Head 4%; depth 4%; eye 4to 4%. D.10; A. 12; scales 8-75 to 90-7. 
Body elongate, compressed, not elevated. Head compressed, rather long; 
distance from occiput to snout usually a little less than half the distance 
from occiput to insertion of dorsal fin. Dorsal fin high, its rays rapidly 
shortened. Bluish black or greenish above; sides silvery, with dark specks; 
fins mostly pale, the lower dusky-tinged. Length 1 foot. 
In Ohio taken only in Lake Erie, where it is very abundant. 
Recorded by Kirtland, Jordan and Henshall. Lorain Co., ‘‘ very 
abundant, sometimes filling the pound nets almost solid with 
fish,’’ McCormick, 1892; ‘‘ west end of Lake Erie,’’ Kirsch, 1893. 
Brought into Sandusky fish houses in enormous numbers. 
Argyrosomus tullibee (Richardson). TULLIBEE ; MONGREL 
WHITEFISH. 
Head 4:to 4%; depth 3 to 31; eye 4%, as long as snout.. D. 11 or 12; 
A. 11; scales 8 or 9-67 to 74-8. Body short, deep, compressed, shad-like, 
dorsal and ventral curves similar. Head conic, compressed; distance from 
occiput to tip of snout half the distance from occiput to insertion of D. 
Color bluish above; sides white, punctate with fine dots; each scale with a 
silvery area, these forming a series of distinct longitudinal stripes. Length 
18 inches. 
I have seen but one record of this species in Ohio, as follows: 
‘‘T once received a photograph of a Tullibee from Dr. EK. Ster- 
ling, of Cleveland. The specimen had been taken in Lake Erie,’’ 
Jordan’s Report. 
Genus: CRISTIVOMER. 
Cristivomer namaycush (Walbaum). MAcKINAW TROUT; 
GREAT LAKE TROUT; NAMAYCUSH. 
Head 44%; depth 4; eye large, 4%. D.11; A. 11; lateral line 185 to 205. 
Body elongate. Head very long and pointed, its upper surface flattened. 
Mouth very large, the maxillary extending much beyond eye; teeth strong. 
Caudal fin well forked; adipose fin small. General color dark gray, varying 
from pale to nearly black; everywhere with rounded, paler spots, which are 
often reddish tinged; dorsal and caudal reticulate with darker. Length 3 
feet. 
