. Bulletin - United States National Museum. Science. THE OPALINID CIIJATE INFUSORIANS. 231 Measurements: A^of a hroad individual; B, of a narrower form— Measurements. Length of body Width of body Thickness of body: Anterior Middle Posterior Diameter of nucleus Diameter of endospherule Cilia line interval: Anterior Posterior. .137 .018 .0185 .016 . 008 .0031 .00337 These infections present Opalinas of two shapes in the same host. The broader forms are often greater in width than in length. Like the form arvalis they are thinnest in front, though the difference i3 but sligh
. Bulletin - United States National Museum. Science. THE OPALINID CIIJATE INFUSORIANS. 231 Measurements: A^of a hroad individual; B, of a narrower form— Measurements. Length of body Width of body Thickness of body: Anterior Middle Posterior Diameter of nucleus Diameter of endospherule Cilia line interval: Anterior Posterior. .137 .018 .0185 .016 . 008 .0031 .00337 These infections present Opalinas of two shapes in the same host. The broader forms are often greater in width than in length. Like the form arvalis they are thinnest in front, though the difference i3 but slight. The narrower individuals are truncated behind and ir- regular in contour, and, like 0. ranarum form truncata are thinnest near this posterior edge. The very broad individuals in these infec- tions are so characteristic that they deserve the forma name lata; the narrower individuals seem to be the form 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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