. Elements of biology, with special reference to their rôle in the lives of animals. Biology; Zoology. UNICELLULAR FORMS 6^ (Fig. 17), may be examined in detail to illustrate the specializations that appear as one goes from the simple amoeba to more advanced types. It is found in great numbers in decaying vegetable matter and is easily cultivated in the laboratory. If a handful of dry grass ENDOSARC CONTRACTILE VACUOLE ORAL GROOVE CONTRACTILE VACUOLE PELLICLE. CILIA ECTOSARC MACRONUCLEUS MICRONUCLEUS GULLET CYTOSTOME FOOD VACUOLE Fig. 17.—^Paramoecium. The upper end in the figure is the leadin
. Elements of biology, with special reference to their rôle in the lives of animals. Biology; Zoology. UNICELLULAR FORMS 6^ (Fig. 17), may be examined in detail to illustrate the specializations that appear as one goes from the simple amoeba to more advanced types. It is found in great numbers in decaying vegetable matter and is easily cultivated in the laboratory. If a handful of dry grass ENDOSARC CONTRACTILE VACUOLE ORAL GROOVE CONTRACTILE VACUOLE PELLICLE. CILIA ECTOSARC MACRONUCLEUS MICRONUCLEUS GULLET CYTOSTOME FOOD VACUOLE Fig. 17.—^Paramoecium. The upper end in the figure is the leading or anterior end of the animal. The anterior contractile vacuole is in the process of filling; the posterior vacuole is about to discharge its contents. (From a preparation and various authors.) is covered with water in a jar and then seeded with a bit of mud from a stagnant pool and allowed to ferment, in a few days great numbers of paramoecia will appear. In general, the shape of the animal is that of an elongated hen's ^g'g^ and unless it is creeping. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Buchanan, James William, 1888-. New York, London, Harper & brothers
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Keywords: ., bookcentury1900, bookpubl, booksubjectbiology, booksubjectzoology
