Project Gutenberg 2001-11-01 Public domain in the USA. 84 Huxley, Thomas Henry 1825 1895 Huxley, T. H. (Thomas Henry) The Past Condition of Organic Nature Lecture II. (of VI.), "Lectures to Working Men", at the Museum of Practical Geology, 1863, on Darwin's Work: "Origin of Species" Produced by Amy E. Zelmer, and David Widger "The Past Condition of Organic Nature" by Thomas Henry Huxley is a scientific publication in the form of a lecture delivered in the mid-19th century, specifically during the Victorian era. This book explores the principles of organic life, emphasizing the evolution and historical continuity of life forms from simple organisms to the complexity observed today, aligning with the debates sparked by Darwin's work on evolution. In this detailed lecture, Huxley analyses the geological record and the formation of sedimentary layers, or "mud," as a chronology of past life on Earth. He discusses how organic remains are preserved in the geological strata and the challenges in interpreting these records due to their incompleteness and fragmentary nature. Huxley emphasizes that, despite the tremendous time spans involved, the fossil evidence shows significant continuity between past and present organisms, underscoring the small percentage of extinct animal orders. He concludes that as one moves deeper into the Earth’s crust, the variety of life forms becomes more distinct, revealing the developmental history of life on the planet. (This is an automatically generated summary.) Reading ease score: 51.0 (10th to 12th grade). Somewhat difficult to read. en Evolution (Biology) Darwin, Charles, 1809-1882. On the origin of species QH Text Category: History - Modern (1750+) Category: Science - Biology Category: Science - Earth/Agricultural/Farming Category: Environmental Issues 69237 2025-07-02T04:44:54.155176 text/html 64204 2013-01-22T14:21:32 text/html 174287 2025-07-02T04:44:59.295112 application/epub+zip 172918 2025-07-02T04:44:57.100116 application/epub+zip 82085 2025-07-02T04:44:55.997119 application/epub+zip 303506 2025-07-02T04:45:00.866139 application/x-mobipocket-ebook 295740 2025-07-02T04:44:58.573102 application/x-mobipocket-ebook 97585 2022-09-02T06:38:07.235657 application/x-mobipocket-ebook 58164 2025-07-02T04:44:53.909124 text/plain; charset=us-ascii 58178 2009-01-04T10:12:52 text/plain; charset=us-ascii 18627 2025-07-02T04:45:00.991096 application/rdf+xml 17486 2025-07-02T04:44:56.485113 image/jpeg 4030 2025-07-02T04:44:56.240125 image/jpeg 71285 2013-01-22T14:22:18 application/octet-stream application/zip 21538 2009-01-04T10:14:04 application/octet-stream application/zip 167250 2025-07-02T04:44:54.167138 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 en.wikipedia