. The biology of the protozoa. Protozoa; Protozoa. y i :>â _/ jJ-y^\-i :.w Y-fr > ... ⢠-. -l -A. Fig. 144.âGametes of Gregarines and Coccidia. A, male and female gametes of Stylorhynchus longicollis; B, Monocystis sp.; C, spermatozoid of Echinomera hispida, to the left the two gametes of Pterocephalus ndbilis; D, gametes of Urospora lagidis; E, of Gregarina ovata; /â¢'. of Schaudinella henleae; and G, of Eirru ria schubi rgi. (From Shellack after Leger, Cut-not, Brasil, Schnitzler and Schaudinn.) ultimately giving rise only to macrogametes, the other only to microgametes, then we are d
. The biology of the protozoa. Protozoa; Protozoa. y i :>â _/ jJ-y^\-i :.w Y-fr > ... ⢠-. -l -A. Fig. 144.âGametes of Gregarines and Coccidia. A, male and female gametes of Stylorhynchus longicollis; B, Monocystis sp.; C, spermatozoid of Echinomera hispida, to the left the two gametes of Pterocephalus ndbilis; D, gametes of Urospora lagidis; E, of Gregarina ovata; /â¢'. of Schaudinella henleae; and G, of Eirru ria schubi rgi. (From Shellack after Leger, Cut-not, Brasil, Schnitzler and Schaudinn.) ultimately giving rise only to macrogametes, the other only to microgametes, then we are dealing with a matter of inheritance or fundamental organization and not with progressive or cumulative differentiation through metabolic activities. In such instances, particularly if the differentiations are manifested by structural features whereby one type can be distinguished from the other we are justified in using the term sex in the same sense as used for 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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