Cohn on Volvox Globator
ABSTRACT In a paper recently read before the Academy of Sciences in Paris, Professor Cohn states that his own observations on the Volvocineæ have convinced him that the members of that family must be regarded as belonging to the vegetable kingdom, and that the Volvox globator, in particular, is prop...
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| Published in | Journal of cell science Vol. S1-5; no. 19; pp. 149 - 151 |
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| Format | Journal Article |
| Language | English |
| Published |
01.07.1857
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| Online Access | Get full text |
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| Summary: | ABSTRACT
In a paper recently read before the Academy of Sciences in Paris, Professor Cohn states that his own observations on the Volvocineæ have convinced him that the members of that family must be regarded as belonging to the vegetable kingdom, and that the Volvox globator, in particular, is properly placed among the Algae. In this singular plant, as well as in Eudorina, Gonium, Stephanosphæra, and other Volvocineæ, each spherule is, properly speaking, not so much an individual as an association or family of individuals,—a sort of vegetable polypary. The globe of Volvox is formed at its periphery of an infinitude of very minute hexagonal cells, attached to each other in the same way as are the elements of an epidermic tissue. Each of the cells is furnished with two motile cilia, and may be compared with a Chlamydococcus. The green endochrome is suspended, as it were, in the cavity, being connected with the wall only by means of filiform processes. |
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| ISSN: | 0021-9533 1477-9137 |
| DOI: | 10.1242/jcs.s1-5.19.149 |