. Elementary lessons in zoölogy : a guide in studying animal life and structure in field and laboratory . Paramecium Cx300). The water current is driven in the direction of the large arrow by the lashing ac- tion of the cilia of that re- gion. Food particles pass down the funnel-shaped esophagus (e), and col- lect in little round pellets at the bottom. Then they circulate about the body in the direction of the arrows, and indigestible portions are ejected at a. Two contractile vacuoles (v) are seen near the ends of the body, and an elon- gate nucleivs (n) may be seen after staining.

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1896