. The biology of the protozoa. Protozoa; Protozoa. Fig. 178.—Types of ehoanoflagellates. 1, Acanthoeca spectabilis; 2, Dicraspedella stokesi, collar with short secondary collar; 3, Choanoeca perplexa, collar flattened; 4, ampulla; 5, Pachyaoeca longicollis; (S, Diploeca placila; 7, Diaphanoeca parva; 8, Choanoeca perplexa at division, young cell with flagellum leaving sister cell in old house. (After Ellis, Ann. de la Soc. Royale Zoologique de Belgique, 1929; courtesy of M. Forton.) A favorite haunt for many of these types is in ponds or pools where decomposition is active. Many o
. The biology of the protozoa. Protozoa; Protozoa. Fig. 178.—Types of ehoanoflagellates. 1, Acanthoeca spectabilis; 2, Dicraspedella stokesi, collar with short secondary collar; 3, Choanoeca perplexa, collar flattened; 4, ampulla; 5, Pachyaoeca longicollis; (S, Diploeca placila; 7, Diaphanoeca parva; 8, Choanoeca perplexa at division, young cell with flagellum leaving sister cell in old house. (After Ellis, Ann. de la Soc. Royale Zoologique de Belgique, 1929; courtesy of M. Forton.) A favorite haunt for many of these types is in ponds or pools where decomposition is active. Many of them are bottom forms attached to debris or working their way about in the superficial slime. Some are ameba-like (Rhizomastigidae) and in addition to their flagella put out pseudopodia from any part of the body. Others are like Ileliozoa and possess ray-like pseudopodia (Aetino-. 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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