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" ... but complete separation frequently occurs before the whole process is completed. This singular process is repeated again and again, so that the older segments are united successively, as it were, with many generations. "
The Microscope: Its History, Construction, and Application, Being a Familiar ... - Page 287
by Jabez Hogg - 1869 - 762 pages
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The London Journal of Botany: Containing Figures and Descriptions ..., Volume 7

Sir William Jackson Hooker - 1848 - 724 pages
...appearance, beginning as new tubercles, and then lengthening until they attain their perfect form and size ; but complete separation frequently occurs before the...successively, as it were, with many generations." The mode of reproduction in these minute plants, seeming as it does to throw much light upon the same...
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The Microscope: Its History, Construction, and Applications

Jabez Hogg - 1854 - 550 pages
...appearance, beginning as mere tubercles, and then lengthening until they attain their perfect form and size; but complete separation frequently occurs before the...united successively, as it were, with many generations. In Sphaerozosma the same changes take place, and are just as evident; but the cells continue linked...
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The Microscope: Its History, Construction, and Applications : Being a ...

Jabez Hogg - 1856 - 532 pages
...tubercles, and then lengthening until they attain their perfect form and size, and armed with setae; but complete separation frequently occurs before the...been described by Agardh and others as occurring in the Confervae. This movement has been aptly termed a swarming. All the Desmidacece are gelatinous....
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The Microscope

Jabez Hogg - 1856 - 530 pages
...tubercles, and then lengthening until they attain their perfect form and size, and armed with setae; but complete separation frequently occurs before the...been described by Agardh and others as occurring in the Confervae. This movement has been aptly termed a swarming. All the Desmidaceae are gelatinous....
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Penny Cyclopaedia of the Society for the Diffusion of Useful Knowledge ...

1858 - 810 pages
...it a new segment to supply the place of the old one. This process is seen going on in fig. 5. This process is repeated again and again, so that the older...united successively, as it were, with many generations. This multiplication however has its limits, for the time comes when the segments gradually enlarge...
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The penny cyclopædia [ed. by G. Long].

Society for the diffusion of useful knowledge - 1858 - 808 pages
...it a new segment to supply the place of the old one. This process is seen going on in fig. 5. This process is repeated again and again, so that the older...united successively, as it were, with many generations. This multiplication however has its limits, for the time comes when the segments gradually enlarge...
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Proceedings of the Natural History Society of Dublin: 1859-1862, Volume 3

Natural History Society of Dublin - 1863 - 160 pages
...which may have given rise to the following passages: — "British Desmidiae," p. 9, Introduction :— " When the cells approach maturity, molecular movements...been described by Agardh and others as occurring in the Confervas. This movement has been aptly termed a swarming. . . . When released by the opening of...
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The Transactions of the Microscopical Society of London, Volume 8

1860 - 552 pages
...which may have given rise to the following passages : ' British Desmidiae,' p. 9, Introduction : " When the cells approach maturity, molecular movements...been described by Agardh and others as occurring in the Confervae. This movement has been aptly termed a swarming. . . . When released by the opening of...
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A History of Infusoria: Including the Desmidiaceae and Diatomaceae, British ...

Andrew Pritchard - 1861 - 1072 pages
...separation, however, often occurs before all these details of development are complete (II. 11, 24, 26). This singular process is repeated again and again,...successively, as it were, with many generations." Illustrations of this act are furnished, in the case of two species of Cosmarium, in the appended plates...
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Natural History: Or, Second Division of "The English Encyclopedia", Volume 1

Charles Knight - 1866 - 588 pages
...it a new segment to supply the place of the old one. This process is seen going on in fig. 5. This process is repeated again and again, so that the older...united successively, as it were, with many generations. This multiplication however has its limits, for the time comes when the segments gradually enlarge...
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