Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 514
ction(Fig. 203). In those Rotifera in which the flexibility of thebody is not interfered-with by the consolidation of the externalintegument, we usually find it capable of great variation inshape, the elongated form being occasionally exchanged for analmost globular one, as is seen especially when… … -^ J /-v Brachioniis pala. 492 MICEOSCOPIC FOUMS OF ANIMAL LIFE, considerable activity,—some even of the loricated speciesbeing rendered capable of this kind of progression, by thecontractility of the head and tail. All these, too, can swimreadily through the water, by the action of their cilia;…
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