. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. Bull. U S. F. C. 1893. On a Parasitic Protozoan. (To face page 182 Plate Jchthyophthirivis multifiliis {showing ectoplasma, endoplasma, granules, pigment, contractile vacuoles, nucleus, mouth, and cilia * The same; the animal has changed its orientation so that the ., a m°uth 1S turned towards the observer. .^.""diagrammatic figures of the division. The cyst appears in the 10-cell stage (beginning of the 10-cell stage). 3. One-cell stage, seen at 1 o'clock p. m. 4. Two-cel

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. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. Bull. U S. F. C. 1893. On a Parasitic Protozoan. (To face page 182 Plate Jchthyophthirivis multifiliis {showing ectoplasma, endoplasma, granules, pigment, contractile vacuoles, nucleus, mouth, and cilia * The same; the animal has changed its orientation so that the ., a m°uth 1S turned towards the observer. .^.""diagrammatic figures of the division. The cyst appears in the 10-cell stage (beginning of the 10-cell stage). 3. One-cell stage, seen at 1 o'clock p. m. 4. Two-cell stage, at 1:45 p. m. 5. Four-cell stage, 3:15 p. m. 6. Eight-cell stage, 4 p. m. 7. Sixteen-cell stage, 5 p. m.; the membrane is present. 8. Thirty-four-cell stage, formed at 7:30; membrane broke at 8:c0. 9. One of the ciliates encysted in its 2-cell 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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Keywords: ., bookcentury1800, bookcollectionbiod, bookdecade1890, bookyear1893