. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. 92 BULLETIN OF THE UNITED STATES FISH COMMISSION. have a more delicate tissue, and an almost mucous appearance, and con- tain the eggs with the germinative vesicles. The deferent canals and the genital orifice are closed in young eels of the male sex, and open simultaneously with the development of the lobes. In the male eels examined by me from March to October, I have found individuals of 400 millimeters and more in length, whose genital orifice and deterent canals were invariably open
. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. 92 BULLETIN OF THE UNITED STATES FISH COMMISSION. have a more delicate tissue, and an almost mucous appearance, and con- tain the eggs with the germinative vesicles. The deferent canals and the genital orifice are closed in young eels of the male sex, and open simultaneously with the development of the lobes. In the male eels examined by me from March to October, I have found individuals of 400 millimeters and more in length, whose genital orifice and deterent canals were invariably open, while in some of the smaller ones they were closed and in others open. ^'â â â A^.^Lv^r->'^^'â ^''^â ' â .^"â â 'â /.,>;>;. .U^; f a h Pig. 7. Piece of the testicle (one hundred and sixty times enlarged), showing the vascular tissue and the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States Fish Commission. Washington, The Commission, Govt. Print. Off
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