..The fishes of Illinois . e 10 per cent, of vegetationeaten by these fishes was almost wholly filamentous algse, taken insuch quantities by some as to make it certain that their presence inthe food was not a matter of accident. In one fish, for example, theentire intestine was crammed with these algas, and in three othersthey made more than half the food. Insects were the major partof the remainder, although Entomostraca and amphipod Crustacea(Crangonyx) were likewise common. GAMBUSIA 215 Dr. Eigenmann found ripe females in Turkey creek, Indiana,June 27; and we have taken specimens greatly di


..The fishes of Illinois . e 10 per cent, of vegetationeaten by these fishes was almost wholly filamentous algse, taken insuch quantities by some as to make it certain that their presence inthe food was not a matter of accident. In one fish, for example, theentire intestine was crammed with these algas, and in three othersthey made more than half the food. Insects were the major partof the remainder, although Entomostraca and amphipod Crustacea(Crangonyx) were likewise common. GAMBUSIA 215 Dr. Eigenmann found ripe females in Turkey creek, Indiana,June 27; and we have taken specimens greatly distended with eggsbetween the 16th and the 27th of the same month. Genus GAMBUSIA Poey Body moderately elongate, becoming deep in the adult female; headflat above; mouth moderate; lower jaw projecting; both jaws with bandsof pointed teeth; dorsal and anal fins rather short and small, the analmore or less in advance of the dorsal and in the;male much advanced andmodified into a long intromittent organ; scales as in Female


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Keywords: ., bookcentury1900, bookdecade1900, bookidcu31924, booksubjectfishes