Project Gutenberg 2010-03-08 Public domain in the USA. 424 Darwin, Charles 1809 1882 Darwin, Charles Robert A Monograph on the Sub-class Cirripedia (Volume 1 of 2) The Lepadidae; Or, Pedunculated Cirripedes Bryan Ness, Leonard Johnson and the Online Distributed Proofreading Team "A Monograph on the Sub-class Cirripedia (Volume 1 of 2)" by Charles Darwin is a scientific publication written in the mid-19th century. The work focuses on the systematic classification and detailed anatomical study of Cirripedia, a subclass of crustaceans that includes barnacles. The monograph is significant for its comprehensive examination of various species within this group and their biological attributes, contributing to the understanding of biodiversity in marine life. The opening of the monograph includes a preface in which Darwin expresses his gratitude to numerous naturalists, acknowledging their contributions to the research and collection of specimens used in his study. He originally planned to describe only a single abnormal specimen but, encouraged by others, expanded his scope to cover the entire sub-class. Darwin highlights the challenges in classifying Cirripedia due to their variability and internal complexity. He notes the extensive assistance he received and the wealth of materials made available for his research, setting the stage for a detailed exploration of Cirripedes in subsequent chapters. (This is an automatically generated summary.) Reading ease score: 55.4 (10th to 12th grade). Somewhat difficult to read. en Lepadidae Cirripedia QH QL Text Animal Animals-Wild Category: Science - Biology 1032890 2025-08-13T05:26:58.303784 text/html 1007901 2021-12-23T02:17:45 text/html 14627256 2025-08-13T05:28:25.067838 application/epub+zip 14328877 2025-08-13T05:27:17.869712 application/epub+zip 413826 2025-08-13T05:27:01.784737 application/epub+zip 13327329 2025-08-13T05:29:06.566650 application/x-mobipocket-ebook 13020405 2025-08-13T05:27:49.961500 application/x-mobipocket-ebook 605219 2022-09-14T13:12:41.476632 application/x-mobipocket-ebook 852783 2025-08-13T05:26:55.013769 text/plain; charset=us-ascii 852569 2021-12-23T02:08:25 text/plain; charset=us-ascii 18921 2025-08-13T05:29:07.494618 application/rdf+xml 21584 2025-08-13T05:27:02.525736 image/jpeg 4663 2025-08-13T05:27:02.179737 image/jpeg 273035 2021-12-23T02:18:11 application/octet-stream application/zip 13535498 2021-12-23T02:18:31 application/octet-stream application/zip 13638752 2025-08-13T05:26:58.853814 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