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Illinois Biological Monographs Volume 2 ebook

Illinois Biological Monographs Volume 2. Illinois University

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Author: Illinois University
Number of Pages: 184 pages
Published Date: 05 Mar 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
ISBN: 9781130906240
File size: 28 Mb
Download Link: Illinois Biological Monographs Volume 2
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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. 1916 Excerpt: ...sabulosus the gregarine attains a length of 450/t; in J. fallax Mein. and J. boleti C. K. of 300. Besides the elongate form, they mention a globular form nearly as wide as long, and reaching 130/t in length. They do not illustrate this form. The elongate sporont, only, is figured. The authors do not describe the shape of the various parts and make no comparison of their form with the classic S. juli, basing their identification rather on a similarity of hosts than of parasites. The data and figures given by Leger and Duboscq (1904) and by Schneider (1875) compare as follows: Schneider Total length Total width Ratio 1. prot: total 1 Ratio w. prot: w. deut Shape protomerite 20 2 Shape deutomerite Nucleus Shading in figure Apex papillate, with pseudo-canal, lower part cylindrical, upper part broadly conical, no con-striction in protomerite. Irregularly cylindrical, tapering from anterior third to a sharp but rather broad cone. Twice as wide at shoulder as at protomerite. Spherical. One large karyosome. Protomerite Dark Deutomerite Dark Leger And Duboscq 450 max. i: 10 i:0.9 Apex papillate with pseudo-canal, lower part broader than upper and separated from above by a deep cir-cular constriction. Deep constriction at septum. Regularly cylindrical, of approximately same width throughout, tapering slightly at posterior tip. Slightly narrower than protomerite. The proportions of the body dimensions, the shape of the two pro_ tomerites, and the shape of the two nuclei indicate at a glance that more than one species is under consideration and the species described by Leger and Duboscq should be renamed. I therefore designate it Stenophora dauphinia. STENOPHORA SPIROBOLI Crawley Stenophora: Sporonts solitary, elongate. Maximum length 1000/t; width not given. Ratio len...

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