Project Gutenberg 2017-06-08 Public domain in the USA. 131 Various Verschillende Various, Various The Kansas University Science Bulletin, Vol. I, No. 2, February, 1902 Produced by Larry B. Harrison, Paul Marshall and the Online Distributed Proofreading Team at http://www.pgdp.net (This book was produced from images made available by the HathiTrust Digital Library.) "The Kansas University Science Bulletin, Vol. I, No. 2, February, 1902" by Various is a scientific publication produced in the early 20th century. This particular volume presents a detailed study focused on the transformations of spermatids in the common black field cricket, "Gryllus assimilis", particularly analyzing the structure and development of the nebenkern, a cellular component involved in sperm formation. The bulletin aims to contribute to the understanding of insect reproduction and cellular biology. The main content of this work is a thesis by W. J. Baumgartner that investigates the changes that spermatids undergo during their maturation into spermatozoa. The study involves meticulous observation of the spermatogenic processes, employing various fixation and staining methods to illustrate and describe cellular structures such as the nucleus, cytoplasmic components, the nebenkern, and the acrosome. Baumgartner documents how the chromosomes transform, the development of the axial filament, and the role of the nebenkern in the overall transformation into mature sperm cells, ultimately providing illustrations that clarify these cellular dynamics. (This is an automatically generated summary.) Reading ease score: 64.0 (8th & 9th grade). Neither easy nor difficult to read. en Science -- Periodicals Q Text Category: Science - Biology 84246 2025-09-22T04:46:54.543712 text/html 59370 2024-10-23T02:11:18 text/html 272085 2025-09-22T04:46:56.954680 application/epub+zip 271792 2025-09-22T04:46:55.066697 application/epub+zip 83882 2025-09-22T04:46:54.787702 application/epub+zip 310717 2025-09-22T04:46:58.552696 application/x-mobipocket-ebook 305184 2025-09-22T04:46:56.691688 application/x-mobipocket-ebook 117735 2022-09-25T00:25:08.368065 application/x-mobipocket-ebook 68743 2025-09-22T04:46:54.351693 text/plain; charset=us-ascii 48752 2024-10-23T02:11:18 text/plain; charset=us-ascii 15539 2025-09-22T04:46:58.675679 application/rdf+xml 10378 2025-09-22T04:46:54.858709 image/jpeg 2012 2025-09-22T04:46:54.823699 image/jpeg 290001 2025-09-22T04:46:54.559697 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog