. Elementary zoology. Zoology. 7§ ELEMENTARY ZOOLOGY Form of body.—The Protozoa all agree in having the body composed for its whole lifetime of a single cell,* but they differ much in shape and appearance. Some of them are of the general shape and character of Amoeba, sending out and retracting blunt, finger-like pseudopodia, the body-mass itself having no fixed form or outline but. Fig. 9.— Sun animalcule, a fresh-water protozoan with a siliceous skeleton, and long thread-like protoplasmic prolongations. (From life.) constantly changing. Others have the body of definite form, spherical, ellip
. Elementary zoology. Zoology. 7§ ELEMENTARY ZOOLOGY Form of body.—The Protozoa all agree in having the body composed for its whole lifetime of a single cell,* but they differ much in shape and appearance. Some of them are of the general shape and character of Amoeba, sending out and retracting blunt, finger-like pseudopodia, the body-mass itself having no fixed form or outline but. Fig. 9.— Sun animalcule, a fresh-water protozoan with a siliceous skeleton, and long thread-like protoplasmic prolongations. (From life.) constantly changing. Others have the body of definite form, spherical, elliptical, or flattened, enclosed by a thin cuticle, and having a definite number of fine thread-like or hair-like protoplasmic prolongations called flagella or * In some Protozoa a number of simitar cells temporarily unite to form a colony, but each cell may still be regarded as an individual 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937. New York : H. Holt and company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902
