...Hubbs and Ortenburger(1929:25-26) reported that Extrarius tetranemus (Gilbert)(= Hybopsis aestivalis tetranemus) spawns in summer especiallyin early July...
W. L. Minckley 「Fishes of the Big Blue River Basin, Kansas」
...To mention only one case, the Bullhead (Cottus gobio) of our rivers, which spawns in the Seine in May, June, and July, acts in this manner...
Frédéric Houssay 「The Industries of Animals」
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この漢字は何でしょう??