Elementary textbook of economic zoology and entomology elementarytextbo00kell Year: [c1915] 26 ECONOMIC ZOOLOGY AND ENTOMOLOGY Using the higher power lenses it will be seen that the outer part of the jelly-like body, called ectosarc, is clearer than the more granular inner part, the endosarc, and that within the endosarc are many small granules, the food particles, and a compara- tively large, round, clear space, the contractile vacuole, which m&:^r ;** '• > - i' -JaHt \ V^—.

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