Excerpt from On the Classification and Geographical Distribution of Crustacea: From the Report on Crustacea of the United States Exploring Expedition, Under Captain Charles Wilkes, U. S. N., During the Years 1838-1842
This centre, as we have observed in another place, is properly between the second antennae and mandibles. The second antennae and the rudimentary mouth, are among the first parts that appear in the embryo. If we look at it as a centre of force or of growth, we remark that the radii on opposite sides of this centre, before and behind, are very unequal, the latter being six or eight times as long as the former, - a relation which is the. Inverse of the functional importance of the parts pertaining to each.
Our idea of the condition of highest centralization is thus drawn from a study of the species.
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Paperback. Condizione: New. Print on Demand. This book offers an in-depth analysis of the crustacean class as a whole, including insightful observations on its structure, evolution, and classification. The author's extensive research presents fundamental principles that enhance understanding of this diverse group of aquatic creatures. Through a comprehensive review of crustacean characteristics, the author demonstrates the evolutionary relationships between various species and provides a framework for their study. The book significantly deepens our knowledge of crustaceans and their vital ecological roles, contributing to a better grasp of the intricate biological systems of our planet. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Codice articolo 9781334307850_0
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PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo LX-9781334307850
Quantità: 15 disponibili