Common objects of the microscope [electronic resource] (1900)
Wood, J. G. (John George), 1827-1889, West, Tuffen, ill, Bousfield, E. C. (Edward Collins), b. 1855 · London : G. Routledge & Sons · leaf 177
tructive. A curious organism is TricJwdina (Fig. 13), which,though a free-swimmer, is always parasitic uponthe body of some higher animal. We have foundit sometimes upon Hydra, and always in hundredsupon the stickleback. The next group of Infusoriais distinguished by the bodys being only ciliated… … XIII. LIVING TREES 141 shock the fibre contracts and draws the stem intoa beautiful spiral, whilst the cilia are drawn in,and the zooid assumes the appearance of a ball atthe end of a watch-spring. An exquisite sight isa colony of Vorticella?, for these actions are alwaysgoing on, as, for example,…
Microscopy
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