. The biology of the protozoa. Protozoa; Protozoa. 40 BIOLOGY OF THE PROTOZOA organizations and interactions of different protoplasmic substances and which form the physical basis of inheritance. A minute frag- ment of Uroleptus mobilis is difficult to distinguish from a similar fragment of Dileptus gigas, yet the former develops into a perfect Uroleptus, the latter into Dileptus. The encysted forms of many types are impossible to identify until the cysts are opened and vital processes begin again. These facts indicate that the finer or ulti- mate composition of protoplasm is different in diff
. The biology of the protozoa. Protozoa; Protozoa. 40 BIOLOGY OF THE PROTOZOA organizations and interactions of different protoplasmic substances and which form the physical basis of inheritance. A minute frag- ment of Uroleptus mobilis is difficult to distinguish from a similar fragment of Dileptus gigas, yet the former develops into a perfect Uroleptus, the latter into Dileptus. The encysted forms of many types are impossible to identify until the cysts are opened and vital processes begin again. These facts indicate that the finer or ulti- mate composition of protoplasm is different in different forms and. 4 A <?J%< ^V c. 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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