Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 757
Fig. 540.—Encysting process in Vorticella micro-stomia : A, full-grown individual in its encystedstate; «, retracted oval circlet of cilia; b, nucleus;c, contractile vesicle ; B, a cyst separated from itsstalk; C, the same more advanced, the nucleusbroken up into spore-like globules; D, the…
Microscopy
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