. Protozoo?logy. Protozoa; Protozoa, Pathogenic. Cytoryctes variolae in different stages of niuitipiication, outside iarst three figures and outside last two figures of tiie nucleus, (Alter Calkins.). 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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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkandphiladel