88 THE FISHES OF OHIO. 
Genus:  STIZOSTEDION. 
Key to Species. * 
A. Pyloric coeca 3; soft dorsal with about 20 rays; a black spot on last dorsal spines.— 
vitreum. 
AA. Pyloric coeca 4 to 7; soft dorsal with about 17 rays; no black spot on posterior dorsal 
spines, a black blotch at base of pectoral: second dorsal with rows of dark spots.— 
canadense. 
Stizostedion vitreum (Mitchill). WaALl-EYED PIKE; PIKE PERCH; 
YELLOW PIKE; BLUE PIKE; JACK SALMON. 
Head 3%; depth about 4%; eye 4% to5. D. XII to XVI, 19 to 21; A. 
II, 12 to 14; scales 10-110 to 132-25; lateral line incomplete. Body slender, 
becoming compressed with age. Cheeks and upper surface of head nearly 
naked. Dorsal spines high, more than one-half the length of head; dorsal 
fins well separated; soft dorsal nearly as long asthespinous. Pyloric coeca, 
3. Color, dark olive, finely mottled with brassy; sides of head more or less 
vermiculated; belly and lower fins pinkish; spinous dorsal with a large, jet 
black spot on posterior 2 or 3 membranes. Length about 3 feet. 
Common in Ohio river and Lake Erie, and sometimes ascend- 
ing their larger tributaries. Kirtland reported it from Lake Erie 
and the Maumee and Ohio rivers under the name Luwczto-perca 
americana. Hamilton County, ‘‘ abundant in the Ohio river,’’ 
Henshall, 1888; Lorain County, ‘‘ very common in the lake, 
entering the streams occasionally,’’ McCormick, 1892 ; Maumee 
river at Grand Rapids and Toledo, and Lake Erie around the 
mouth of the Maumee in large numbers, Kirsch, 1893; Huron 
river at Milan, Sandusky Bay, R. C. Osburn, 1899. 
Stizostedion canadense griseum (De Kay). SAUGER; SAND PIKE; 
GRAY PIKE; PICKERING. 
Head 3%; depth varying with age, 4% to 6; eye 5. D. XI to XV-I, 17 
to 19; A. II, 11 or 12; scales 9-100 to 125-27; lateral line incomplete. Body 
more terete than in S. v7/veum. Head depressed, pointed; opercular spines 
fewer than in the typical .S. canadense, and the head less completely scaled. 
Color, olive gray, sides brassy or orange, with dark mottlings; spinous dorsal 
with 2 or 3 rows of irregular, dark spots, no large, black spot on posterior 
rays. Amore translucent fish than S. vitreuwm.  Pyloric coeca 4 to 7. 
Length about 18 inches. 
Distributed about as the preceding species. Common both in 
the lake and Ohioriver. ‘‘ Abundant in the Great Lakes, plenti- 
ful in Ohio river,’’ Jordan’s Report; Hamilton County, ‘‘ com- 
mon in the Ohio river,’’ Henshall, 1888; Lorain County, ‘‘com- 
mon in the lake, entering streams oftener than S. vitveum,’’ 
