. Bulletin - United States National Museum. Science. a d Fig. 61.—Zelleuiella [engystomopsis], from ENGYSTOxiors stentok, X 460 diameters. Measurements: A., of a large individual of the broader form; B, of a full-sized individual of the more wedge-shaped form; C^ of an individual in division— Measurements. A B C Length of body - - - mm. 0. 0978 .062 .019 .019 .014 .0015 .00182 mm. .033 .0165 .013 .0097 mm. Width of bodv" .046 Thickness of body .019 Length of nucleus .011 Width of nucleus .009 Diameter of endospherule Cilia line interval: Anterior .002 Posterior .004 Many indivi


. Bulletin - United States National Museum. Science. a d Fig. 61.—Zelleuiella [engystomopsis], from ENGYSTOxiors stentok, X 460 diameters. Measurements: A., of a large individual of the broader form; B, of a full-sized individual of the more wedge-shaped form; C^ of an individual in division— Measurements. A B C Length of body - - - mm. 0. 0978 .062 .019 .019 .014 .0015 .00182 mm. .033 .0165 .013 .0097 mm. Width of bodv" .046 Thickness of body .019 Length of nucleus .011 Width of nucleus .009 Diameter of endospherule Cilia line interval: Anterior .002 Posterior .004 Many individuals of this species, even some of the broadest, are pointed posteriorly (figs. 61a and 62). In some cases the point is abrupt and small. The number of the massive chromosomes can not confidently be stated from the preparations available for study. Fur- ther study of a larger series of infections may show this form to be very close to, or possibly identical with, Z. couchii. I am therefore bracketing the specific 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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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience