The Barnacles (Cirripedia) PDF Download
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Author: Henry Augustus Pilsbry
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 156
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Book Description
The collection of Cirripedes in the United States National Museum contains material derived from many sources. The most extensive series was received from the United States Bureau of Fisheries, and is due to the work of the steamers Albatross and Fish Hawk over twenty-five years or more in both the Atlantic and Pacific waters.
Author: Henry Augustus Pilsbry
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 156
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Book Description
The collection of Cirripedes in the United States National Museum contains material derived from many sources. The most extensive series was received from the United States Bureau of Fisheries, and is due to the work of the steamers Albatross and Fish Hawk over twenty-five years or more in both the Atlantic and Pacific waters.
Author: Henry Augustus Pilsbry
Publisher:
ISBN:
Category : Cirripedia
Languages : en
Pages : 732
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Book Description
Author: Alan J. Southward
Publisher: CRC Press
ISBN: 9789061916284
Category : Science
Languages : en
Pages : 498
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Book Description
This text gives an overview of almost all aspects of barnacle biology covering advances made since Charles Darwin to the present day.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Rebecca Stott
Publisher: W. W. Norton & Company
ISBN: 9780393057454
Category : Biography & Autobiography
Languages : en
Pages : 344
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Book Description
Tells the story of the part played by Darwin's eight-year study of barnacles and how the examination of this tiny marine organism contributed to the development of his theory of evolution.
Author: Janek Byern
Publisher: Springer Science & Business Media
ISBN: 3709102863
Category : Technology & Engineering
Languages : en
Pages : 306
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Book Description
J. Herbert Waite Like many graduate students before and after me I was There are so many species about which nothing is known, mesmerized by a proposition expressed years earlier by and the curse of not knowing is apathy. Krogh (1929) – namely that “for many problems there is Bioadhesion is the adaptation featured in this book, an animal on which it can be most conveniently studied”. and biology has many adhesive practitioners. Indeed, This opinion became known as the August Krogh Prin- every living organism is adhesively assembled in the ciple and remains much discussed to this day, particu- most exquisite way. Clearly, speci? c adhesion needs to larly among comparative physiologists (Krebs, 1975). be distinguished from the opportunistic variety. I think The words “problems” and “animal” are key because of speci? c adhesion as the adhesion between cells in the they highlight the two fundamental and complementary same tissue, whereas opportunistic adhesion might be the foci of biological research: (1) expertise about an animal adhesion between pathogenic microbes and the urinary (zoo-centric), which is mostly observational and (2) a tract, or between a slug and the garden path. If oppor- mechanistic analysis of some problem in the animal’s life nistic bioadhesion is our theme, then there are still many history or physiology (problem-centric), which is usually practitioners but the subset is somewhat more select than a hypothesis-driven investigation. before.
Author: Henry Augustus Pilsbry
Publisher:
ISBN:
Category : Cirripedia
Languages : en
Pages : 542
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Book Description
Author: Henry Augustus Pilsbry
Publisher: Legare Street Press
ISBN: 9781020343711
Category :
Languages : en
Pages : 0
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Book Description
This comprehensive guide to barnacles provides a detailed analysis of the taxonomy, morphology, and distribution of these fascinating and often overlooked creatures. Drawing on a wealth of primary sources, including the collections of the U.S. National Museum, the book offers a clear and concise overview of the different types of barnacles and their habitats, as well as the evolutionary and ecological significance of these animals. Whether you are a biologist, a naturalist, or simply a lover of marine life, this book is an essential resource for understanding the diversity and complexity of the natural world. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: United States National Museum
Publisher:
ISBN:
Category :
Languages : en
Pages : 200
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Book Description
Author: Thanumalaya Subramoniam
Publisher: Academic Press
ISBN: 0128096063
Category : Technology & Engineering
Languages : en
Pages : 528
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Book Description
Sexual Biology and Reproduction in Crustaceans covers crustacean reproduction as it deals with the structural morphology of the gamete-producing primary sex organs, such as the testis and ovary, the formation and maturation of gametes, their fusion during fertilization, and embryonic development that lead to the release of larvae. Constituting a diverse assemblage of animals, crustaceans are best known by their common representatives, such as shrimps, lobsters, and crabs, but also include many more less familiar, but biologically important forms. This work covers the variety of ways in which both male and female gametes are produced by evolving different sexual systems in crustaceans, the range of reproductive systems, and the accordingly, and highly diverse, mechanistic modes of sex determination. In addition, the book features such topics as genetic and environmental determinants in sex determination pattern, variability of mechanisms of fertilization among different species, the origin of different mating systems, the associated mating and brooding behaviors, and the adaptive ability to different environmental conditions with discussion on the evolutionary ecology of social and sexual systems in certain species, which have shown eusocial tendencies, similar to social insects. Marine species occupying diversified ecological niches in tropical and temperate zones reproduce under definitive environmental conditions. Therefore, reproductive ecology of different crustaceans inhabiting different ecological niches also constitutes another important aspect of the work, along with yolk utilization and embryogenesis leading to release of different larval forms, which reflect on their aquatic adaptability. - Forms a valuable source of recent references on the current research in crustacean reproductive physiology - Covers various mating and breeding systems, providing illustrative examples for sexual selection, parental care of developing eggs and embryos, and the evolution of other reproductive behaviors - Features contributions written in the form of review articles, enabling readers to not only gain information in the respective subject, but also help them stimulate ideas in their chosen field of research - Includes a glossary created by the author to define technical terms - Demonstrates the ability of crustacean species to serve as useful model systems for other organisms, to investigate issues related to sexual conflict, mate choice, and sperm competition - Discusses techniques in endocrine research to help researchers in aquaculture develop protocols in the control of reproduction
