Download or read book The Leeches of Minnesota Vol 5 written by Henry F. Nachtrieb and published by Forgotten Books. This book was released on 2018-02-09 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Leeches of Minnesota, Vol. 5: Part I. General Account of the Habits and Structure of Leeches; Part II. Anatomy of Placobdella Parasitica; Part III. Classification of the Leeches of Minnesota The leeches, also cald blood suckers by people in general and Hirudinea by the scientist, are distributed all over the world. They are mentioned in the writings of many of the ancients. Herodotus, who was born about 480 B. C. Wrote about the leech under the name bdella, which still forms the ending of some of our scientific names of certain leeches and groups of leeches. Galen, a Greek physician and author born about 130 A. D., recommended the use of the leech for bloodletting. Other Greek and Roman, German, French and English writers wrote about the leech and its habit of sucking blood, so that in a general way leeches became quite well known centuries ago. The medicinal leech in particular became well known thru a great many more or less extended writ ings on its anatomy and habits and was brought into almost uni versal use by physicians. It was continued in quite general use until about the middle of the 19th century. Altho this leech in particular was in such general use and it and others frequently became objects of scientific study, we did not get a correct concep tion of some of the most prominent features of leech structure until 1900. There is still much to be cleared up concerning the structure and life history of many of our leeches. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Download or read book The leeches of Minnesota written by Henry Francis Nachtrieb and published by . This book was released on 1912 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Contribution written by Ohio State University. Franz Theodore Stone Institute of Hydrobiology, Put-in-Pay and published by . This book was released on 1928 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Leeches of Minnesota written by Henry Francis Nachtrieb and published by . This book was released on 1912 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Research Catalog of the Library of the American Museum of Natural History written by American Museum of Natural History. Library and published by . This book was released on 1977 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt: