This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 Excerpt: ...posterior to the middle of the body. The margins of the body are almost parallel for the greater part of their length, tapering gently to the more pointed anterior end and abruptly to form the obtusely rounded posterior end. As in most species of this genus the body is convex dorsally and flat or slightly concave ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 Excerpt: ...posterior to the middle of the body. The margins of the body are almost parallel for the greater part of their length, tapering gently to the more pointed anterior end and abruptly to form the obtusely rounded posterior end. As in most species of this genus the body is convex dorsally and flat or slightly concave ventrally. The subterminal mouth is surrounded by a weakly developed sucking musculature which measures 115/i in diameter. This leads to the spherical or slightly elongated pharynx, measuring 115 to 264/i in width by 115 to 298/i in length. Following this the slender esophagus, 500 to 750/i in length, leads to the intestinal bifurcation. The crura are quite variable in size as well as in the character of the median wall. In some cases they show a tendency to the formation of internal ceca; these appear to be due to the pressure from the closely packed uterus which fills the space between the crura. The excretory system in this species has not been made out except for the single termnal excretory vesicle situated as in the other species of this genus between the posterior arch of the intestinal crura and the posterior body wall. It opens to the exterior by a single dorsal pore. The genital organs lie within the intestinal crura in the posterior end of the body. The posterior testis, filling the posterior arch of the intestine, is flattened anteriorly by the closely packed uterine loops and is slightly larger than the anterior being 300 to 877/i in width by 480 to 1000/i in length. The anterior testis is usually more nearly spherical and measures 380 to 827/i in width by 462 to 827/i in length. It lies obliquely anterior to the posterior and adjacent to the crura. The vasa efferentia are short and unite a short distance anterior to the anterior testi...
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All Editions of Studies on Gregarines II: Synopsis of the Polycystid Gregarines of the World, Excluding Those from the Myriapoda, Orthoptera, and Coleoptera
