572 REPORT OF THE COMMISSIONER OF FISHERIES. 



comparative!}' few; insect larva^, few; diatoms; Vorticella^; gastro- 

 pods (?), few small fragments; much iiocculent debris with small frag- 

 ments of man}' kinds in it. 



22. Specimen from Port Clinton, Ohio (from gill-nets in Lake Erie), 

 November 16, 1901. Shell fragments, many, some of them 3 to 4 

 mm. in diameter; insect larva?, fragments, caddis-fly {'i) and some 

 chironomid {'(). 



23. Specimen from Port Clinton (from Lake Erie), November 18, 

 1001. Shells, few small fragments; larva? of caddis-fly (?), heads and 

 other fragments; most of the mass of material appears to be made up 

 of the nearh' digested bodies of these larva?. White-fish egg^ one. 



21:. Specimen from Port Clinton (from Lake Erie), November 18, 

 1901. White-fish Ggg, one; larva? of caddis-fly (?); entomostraca, 

 mostlv fragments; much of the material unrecognizable. 



25. Specimen from Port Clinton (from Lake Erie), November 18, 

 1901. Shells, few fragments; algne, few; apparently also other vege- 

 table remains very finel}' divided; larvte or worms of some kind, 

 fragments; bulk of material unrecognizable. 



26. Specimen from Port Clinton (from Lake Erie), November 19, 

 1901. Mostly fragments of CJiironomus (?) larva?. 



27. Specimen from Port Clinton (from Lake Erie), November 19, 

 1901. Many remains of chironomid (?) larvea (same as No. 26), much 

 broken up; bulk of material unrecognizable. 



28. Specimen from Port Clinton (from Lake Erie), November 19, 

 1901. Only small amount, about 2 c, c, in intestine; shell fragments; 

 filamentous alga?; entomostraca, fragments, largely ostracods; caddis- 

 fl}'- ( ?) larva?, nuich digested. 



29. Specimen from North Bass Island (Lake Erie), November 27, 

 1901. Shells, 2 to 5 mm. in diameter, and shell fragments; ostracods, 

 numerous, fragments of entomostraca in general. 



30. Specimen from North Bass Island (Lake Erie), November 27, 

 1901. Shell fragments; entomostraca, fragments; insect larva?, cad- 

 dis-fly (?), fragments. 



31. Specimen from North Bass Island (Lake Erie), November 27, 

 1901. Shell fragments, nearl}'^ one-half of material; ostracods, few; 

 insect larva?, caddis-fly (?), fragments; white-fish o^gg^ one, 



32. Specimen from North Bass Island (Lake Erie), November 27, 

 1901. Onl}' a small amount of fine material, composed mostly of 

 ostracods, Cladocera (?), and copepods, mostly fragments, some almost 

 entire. 



33. Specimen ,^6'..4 on. long from Port Clinton (seined in Lake Erie), 

 August 31, 1902. Principal material appears to be seeds of some sedge; 

 aside from these the mass is largely fragments of plants and unrecog- 

 nizable debris. 



As to whether the fish were wont to feed most at an\' particular 



