| Sir William Jackson Hooker - 1848 - 724 pages
...their perfect form and size ; but complete separation frequently occurs before the whole process is completed. This singular process is repeated again...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... | |
| Jabez Hogg - 1854 - 550 pages
...their perfect form and size; but complete separation frequently occurs before the whole process is completed. This. singular process is repeated again...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... | |
| Jabez Hogg - 1856 - 532 pages
...and size, and armed with setae; but complete separation frequently occurs before the whole process is completed. This singular process is repeated again...noticed in their contents, precisely similar to what has been described by Agardh and others as occurring in the Confervae. This movement has been aptly... | |
| Jabez Hogg - 1856 - 530 pages
...and size, and armed with setae; but complete separation frequently occurs before the whole process is completed. This singular process is repeated again...noticed in their contents, precisely similar to what has been described by Agardh and others as occurring in the Confervae. This movement has been aptly... | |
| 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... | |
| 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... | |
| 1860 - 552 pages
...which may have given rise to the following passages : ' British Desmidiae,' p. 9, Introduction : " When the cells approach maturity, molecular movements...noticed in their contents, precisely similar to what has been described by Agardh and others as occurring in the Confervae. This movement has been aptly... | |
| 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...noticed in. their contents, precisely similar to what has been described by Agardh and others as occurring in the Confervas. This movement has been aptly... | |
| 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... | |
| 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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