. The biology of the protozoa. Protozoa; Protozoa. ti m Fig. 172.—Nicollellidae. Nicollella, Collinella, and Pycnothrix. (After Chatton and Perard, Bull. Biol, de la France et de la Belgique, 1921; courtesy of Prof. X. Caullery and Les Presses Universitaires de France.) running from the mouth to the anterior end. In Xicollela, Chatton and Perard, the furrow runs to the mouth which lies at the middle of the ventral surface; in Collinella, Chatton and Perard, it runs to the mouth at the posterior end; while in Pycnothrix, Schubotz, which is by far the largest of the parasitic ciliates (2 to 3 mm
. The biology of the protozoa. Protozoa; Protozoa. ti m Fig. 172.—Nicollellidae. Nicollella, Collinella, and Pycnothrix. (After Chatton and Perard, Bull. Biol, de la France et de la Belgique, 1921; courtesy of Prof. X. Caullery and Les Presses Universitaires de France.) running from the mouth to the anterior end. In Xicollela, Chatton and Perard, the furrow runs to the mouth which lies at the middle of the ventral surface; in Collinella, Chatton and Perard, it runs to the mouth at the posterior end; while in Pycnothrix, Schubotz, which is by far the largest of the parasitic ciliates (2 to 3 mm.), it runs down the ventral surface, around the posterior end and back to near the anterior end on the dorsal surface where the. 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, Lea & Febiger
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