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Investigations were conducted on Grand Cayman, located some 150 miles osuth of Cuba and approximately the same distance northwest of Jamaica. Its variety of both Recent and Pleistocene carbonates provides excellent opportunity for studying a spatially coherent group of carbonate environments which can be examined in a minimum of time and travel. The sedimentary deposits of which Grand Cayman is composed are exclusively carbonates derived from a broad spectrum of environments. These sediments display an extensive array of textures, constituent particles, and diagenetic alterations which are the resultants of combined physical, chemical, and biological processes. Catastrophic events, such as storms and sea level fluctuations, help shape both Recent and Pleistocene sedimentary deposits. A systematic environment by environment evaluation of the major marine habitats is given from the quiet water areas of sounds to the high energy reef crest and across the fore-reef shelf to a maximum depth of about 100m. Emphasis is placed on organic community structure and zonation. Process-form relationships are discussed with regard to each major environmental subdivision. Maps summarize the distribution of major organic communities and bottom types around the entire island to a depth of approximately 20m are presented.
Mollusks have been important to humans since our earliest days. Initially, when humans were primarily interested in what they could eat or use, mollusks were important as food, ornaments, and materials for tools. Over the centuries, as human knowledge branched out and individuals started to study the world around them, mollusks were important subjects for learning how things worked. In this volume, the editors and contributors have brought together a broad range of topics within the field of malacology. It is our expectation that these topics will be of interest and use to amateur and professional malacologists.
Covers all of the new names created by Pilsbry & his co-authors for both Recent & Fossil forms in the Mollusca & Crustacea. These names range in taxa from those above the family level to subspecies, varieties & forms. This work had its inception when the authors found it necessary to ¿card out¿ the new names which Pilsbry had instituted so that these names might be used in their own current problems of research in the field of malacology. As time went on, this catalogue increased in size & became a source of information to the staff. Its publication has make available a large file of data not easily located elsewhere. He introduced 5,680 names over a period of 75 years; he introduced more names than any other student in the field of malacology.
A contribution to the history of the Panama land bridge. -- Description from title page.
In the course of the last century a considerable amount of scientific work has been carried out in the Cayman Islands. The results of this (outlined in Chapter 1) are widely distributed in unpublished reports, university theses, various scientific publications and books, many of these sources being difficult to find and some now unobtainable. The purpose of this book, therefore, is to bring all this scattered information together and to present a coherent account of the biogeography and ecology of the Islands, as an easily available reference source and as a foundation on which future work can be based.