Project Gutenberg 2022-01-30 Public domain in the USA. 64 Spencer, Herbert 1820 1903 The Principles of Biology, Volume 2 (of 2) $aUnited States :$bD. Appleton & Company,$c1899. Karin Spence, Tim Lindell, Adrian Mastronardi, Josep Cols Canals and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.) https://archive.org/details/principlesofbiol02speniala/page/n5/mode/2up 20210507054340spencer 1899 US en Biology QH Text Browsing: Science - General Browsing: Science - Genetics/Biology/Evolution 2104166 2104173 2024-07-27T13:34:13.514043 2023-09-29T03:51:01.000789 text/html text/html 1939604 2022-01-30T13:14:32 text/html 5152466 2024-07-27T13:34:44.704872 application/epub+zip 5153814 2024-07-27T13:34:20.016001 application/epub+zip 738475 2024-07-27T13:34:16.222032 application/epub+zip 5684534 2024-07-27T13:35:02.090813 application/x-mobipocket-ebook 5448823 2024-07-27T13:34:41.211933 application/x-mobipocket-ebook 1040744 2022-09-30T08:57:27.600112 application/x-mobipocket-ebook 1468875 1468905 2024-07-27T13:34:07.886050 2023-09-29T03:50:55.620743 text/plain; charset=us-ascii text/plain 1468617 2022-01-30T13:14:32 text/plain; charset=us-ascii 17822 2024-07-27T13:35:02.285809 application/rdf+xml 7009 2024-07-27T13:34:17.212009 image/jpeg 1461 2024-07-27T13:34:16.664010 image/jpeg 489545 2022-01-30T13:14:34 application/octet-stream application/zip 4426601 2022-01-30T13:14:34 application/octet-stream application/zip 4495782 2024-07-27T13:34:13.883018 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://www.gutenberg.org/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia