44 FISHERY INDUSTRIES OF THE UNITED STATES. 
SPECIES MILLIONS OF POUNDS 
re 10 10 30 40 50 
CISCOES 
LAKE TROUT 
CARP ASIATIC ; 17 aay 
1903 
WHITEFISH, common 
SUCKERS 
YELLOW PERCH p CS COES 53,429,325 | 35,438,777 
SAUGER LAKE, TROUT 13,344,139 | 16,131,938 
CARP ASIATIC 7,163,347 4,237,643 
of ae WHITEFISH, common | 6,190,748 | 3,812,859 
PIKE PERCH P SUCICERS 5,361,138 6,694,040 
ohne pees eee YELLOW PERCH 4,106,011 6, 201,723 
(BLUE PIKE) i j SAUGER. DITA 1,940,355 
SHEEPSHEAD 
on DRUM 2,901,994 746,021 
PIKE PEKCH 
CWALL-EYED PIKE)} 2,496,691 3,076,147 
PIKE PERCH 
(BLUE PIKE) 2,102,803 4,981,422 
Fic. 6.—Quantities of the more important species of fish taken in the commercial fisheries of fhe Great 
Lakes in 1917 and 1903. 
SPECI E,S HUNDREDS OF THOUSANDS OF DOLLARS 
OE EG OAL AG ee eg Oe 17 
eae es 2 ee 
CISCOES 
LAKE TROUT 
WHITEFISH common 
CARP, pe 
PIKE PE. 
(WALL- ENED PIKE) 2 
Bea SSS 
17 —_aay 
1903 EZ 
species [we | 1908 | 
YELLOW PERCH CISCOE,S $2,609,917 $914,468 
SAUGER. LAKE TROUT 1,286,704 722,508 
WAHITLFISH, common 723,167 223,426 
SUCKERS CARP, ASIATIC. 334,888 71,285 
PIKE PERCH PIKE PERCH : 
(BLUE PIKE) (WALL-EYED PIKE) 298,271 168,284 
SHEEPSHEAD YELLOW PERCH 245,223 139,670" 4< 
on DRUM 
SAUGER. 240, 035 41,697 
SUCKERS 204,825 121,576 
PIKE PERCH 
(BLUE PIKE) 140,025 191,386 
SHEEPSHEAD 
on ORUM 70,936 5,700 
Fic. 7.—Values of the more important species of fish taken in the commercial fisheries of the Great 
Lakes in 1917 and 1903, 
