. The biology of the Protozoa. Protozoa; Protozoa. 74 BIOLOGY OF THE PROTOZOA micronuclei {Paramecium caudaium, P. bursaria, etc.), which in some cases assumes the form of a centriole, forming a typical cen- trodesmus during division {e. g., in first maturation spindles of Uroleptus mohilis).. Fig. 33.—Bodo ovatus Stein (edax, Belar). (1) Vegetative individual with two flagella; blepharoplast (6^ and nucleus with endosome. (2 to G) Division of the basal bodies, blepharoplast and nucleus; (7 to 10) completion of nuclear division and division of cell body. (After Belar, from Dofiein.) 3. KINETIC
. The biology of the Protozoa. Protozoa; Protozoa. 74 BIOLOGY OF THE PROTOZOA micronuclei {Paramecium caudaium, P. bursaria, etc.), which in some cases assumes the form of a centriole, forming a typical cen- trodesmus during division {e. g., in first maturation spindles of Uroleptus mohilis).. Fig. 33.—Bodo ovatus Stein (edax, Belar). (1) Vegetative individual with two flagella; blepharoplast (6^ and nucleus with endosome. (2 to G) Division of the basal bodies, blepharoplast and nucleus; (7 to 10) completion of nuclear division and division of cell body. (After Belar, from Dofiein.) 3. KINETIC ELEMENTS. The kinetic elements of Protozoa are those structures of the cell which are closely connected with the visilile expression of the trans- formation of energy resulting from destructive n^ietabolism. Such expression may be in the form of movement due to the activity of specific motile organs formed as a rule from the substance of kinetic elements, or it may be in the form of intracellular activities as indi- cated l)y the transformation and movements of internal attraction centers, center of radiation, of nuclear division, etc. The kinetic elements are justly regarded by many observers as the most elusive and perplexing, but at the same time the most fascinating of all the organoids of 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 Calkins, Gary N. (Gary Nathan), b. 1869. Philadelphia, New York, Lea & Febiger
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