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Excerpt from A Monograph of the Cretaceous Lamellibranchia of England, Vol. 1 A Monograph of the Cretaceous Lamellibranchia of England was written by Henry Woods in 1903. This is a 463 page book, containing 112655 words and 410 pictures. Search Inside is enabled for this title. 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.
Excerpt from A Monograph of the Cretaceous Lamellibranchia of England, Vol. 2: Part I., Limidæ; Pages 1-56, Plates I-VII Description. - Shell moderately convex, oval or subtriangular; height a little greater than length; outline rounded, except the antero-dorsal margin, which is nearly straight and rather long. Apical angle from 105° to Umbones rather small, close together. Anterior area slightly depressed, with small radial ribs. Anterior ears small; posterior larger, with growth-lines and faint radial ribs. Ornamentation consists usually of 18, but sometimes of as few as 14 or as many as 21 very strong, rounded, straight ribs, which are separated by broader furrows. In well-preserved specimens numerous concentric linear ridges occur on both ribs and furrows, and projecting growth-ridges are seen at regular intervals on the ribs. 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.
"The third edition of Ecology and Classification of North American Freshwater Invertebrates continues the tradition of in-depth coverage of the biology, ecology, phylogeny, and identification of freshwater invertebrates from the USA and Canada. This text serves as an authoritative single source for a broad coverage of the anatomy, physiology, ecology, and phylogeny of all major groups of invertebrates in inland waters of North America, north of Mexico." --Book Jacket.
This is the first attempt to synthesize current understanding of biodiversity in the great European hot spot. A diverse group of international researchers offers perspective on biodiversity at the level of the gene, species and ecosystem, including contributions on temporal change. Biological groups include plants, mammals, spiders and humans, cave-dwelling organisms, fish, aquatic invertebrates and algae.
Cold-water coral ecosystems figure the formation of large seabed structures such as reefs and giant carbonate mounds; they represent unexplored paleo-environmental archives of earth history. Like their tropical cousins, cold-water coral ecosystems harbour rich species diversity. For this volume, key institutions in cold-water coral research have contributed 62 state-of-the-art articles on topics from geology and oceanography to biology and conservation, with some impressive underwater images.