. The biology of the Protozoa. Protozoa; Protozoa. A B Fig. —Hydrurus fcetidus. B, character of growth; A, end of single branch with monads in the gelatinous matrix; C, motile stage of monad; D, E, side and top view of cyst. (^A, C, D, E, from Doflein after Klebs; B, from Pascher.) phase. In most such cases reproduction ensues and a Palmella- stage results which is purely facultative in many types, but in some groups, notably in the sub-order Chrysocapsina, the Palmella-stage is dominant, the most extreme case, Hydrurvs, with its apical growth and method of branching, being highly suggest

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. The biology of the Protozoa. Protozoa; Protozoa. A B Fig. —Hydrurus fcetidus. B, character of growth; A, end of single branch with monads in the gelatinous matrix; C, motile stage of monad; D, E, side and top view of cyst. (^A, C, D, E, from Doflein after Klebs; B, from Pascher.) phase. In most such cases reproduction ensues and a Palmella- stage results which is purely facultative in many types, but in some groups, notably in the sub-order Chrysocapsina, the Palmella-stage is dominant, the most extreme case, Hydrurvs, with its apical growth and method of branching, being highly suggestive of the multicellular algse (Fig. 127).. 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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Keywords: ., bookauthorcalkinsgaryngarynatha, bookcentury1900, bookdecade1920