. Protozoo?logy. Protozoa; Protozoa, Pathogenic. THE GENUS TRYPANOSOMA 249 criticism that no sexual phases have as yet been found in the blood of vertebrates is not wholly unanswerable, since we do not yet know. Trypanosoma raijp. (After Robertson.) Forms observed in the digestive tract of the leech, Pontobdella muricata. A, mature specimen from blood of skate; B to F, stages in the development of the flagellum from the kinetonucleus, and change in position of the latter in relation to the nucleus. much about the conjugation processes in any species, while Hintze's view is conceivable, viz., t
. Protozoo?logy. Protozoa; Protozoa, Pathogenic. THE GENUS TRYPANOSOMA 249 criticism that no sexual phases have as yet been found in the blood of vertebrates is not wholly unanswerable, since we do not yet know. Trypanosoma raijp. (After Robertson.) Forms observed in the digestive tract of the leech, Pontobdella muricata. A, mature specimen from blood of skate; B to F, stages in the development of the flagellum from the kinetonucleus, and change in position of the latter in relation to the nucleus. much about the conjugation processes in any species, while Hintze's view is conceivable, viz., that the organisms migrate from the blood back into the intestine, where they conjugate, while in blood-sucking. 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. New York and Philadelphia, Lea & Febiger
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