The Relation of Mollusks to Fish in Oneida Lake 177 
No. 4 (309). 50 mill. long. 
Crustacean ea sCyclopsy © sissies. o> «1 
POOP ATONE. Sclets ors sel o'a vis 75 per cent. 
1 Hyalella knickerbockeri 
Insecta. 2 Chironomid larve........... 10 per cent. 
Alen “and mud" Saree. cee ane cine = tres 15 per cent. 
No. 5 (309). 43 mill. long. 
rashices, lO MIONG: «2522.5. dase a54% oe 50 per cent. 
Insecta’ “Hragmentgeresed secs ss ss 20 per cent. 
EH cDay cls Soe oa dete pad aes OBI eR Seka 30 per cent. 
No. 6 (309). 50 mill Jong. 
Crustacea. 1 Hyalella knickerbockeri 
2 CYCLODSS ah he toe hes 50 per cent. 
MOOV AVON ere ota es ack 
ALO apse ta ee PRIS T Ye 5 cre Se ose te opine ce 50 per cent. 
No. 7(314). 55 mill. long. Stomach empty. 
As is usually the case with young fish, the food of these 
juvenile individuals is seen to consist chiefly of Crustacea. 
The larger specimen (110 mill, No. 2) had evidently 
reached the stage when a molluscan diet could be added. 
Forbes (1888, b, p. 461) records the food of two young 
individuals (2 to 31% inches long) as chiefly ephemerid and 
chironomid larve, small crawfish, Asellus, Cortxa tumida, 
Cyclops, Daphnia, filaments of Spongilla, Chydorus, Scapho- 
leberis mucronatus, a few Diatoms, and traces of filamentous 
alge. Hankinson (1908, p. 208, 249) found the food of 
adults to consist of er awfish, small. fish, mollusks, entomostra- 
cans, leeches, beetles, and the larve of Hexag genia, Hepta- 
genia, midges, and dragon-flies ; ten stomachs were examined. 
One specimen contained two dragon-fly larvae, 32 Hexagenia 
larve, 2 midge larve, and 1 minute bivalve (possibly 
Pisidium). 
Schilbeodes miurus (Jordan). Brindled Stonecat 
A specimen of this species, caught in seine in shallow 
water, at Lower South Bay, October 12, 1914, contained 
only alge and mud in its stomach and intestine. It was 
32 mill. long. 
