tryon roberts (2 risultati)

Paperback. Condizione: New. Print on Demand. This book documents the shells of extinct and extant mollusks, classified by species. It Includes descriptions of some new types of Paleozoic shells, as well as newly discovered species of nudibranch mollusks from Polynesia. The book discusses the fossilized remains of the mollusk's soft body, and how those parts influence classification. Other chapters focus on the relationship between mollusks and the environment, sharing insights into their behaviors and ecologies. Many of the species in the book are accompanied by illustrations. The author provides not only detailed descriptions of species, but also delves into subjects such as their ecological significance and the complex relationship they share with humanity. This book presents an incredible amount of information about the mollusk for scientists, students, and casual readers alike. 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.

Paperback. Condizione: New. Print on Demand. This book is a collection of descriptions for over 200 species of fossils, mostly mollusks, found primarily in the Pacific States of the US and secondarily in Nevada. These descriptions were originally published between 1864 and 1869 and provide an invaluable look at the paleontological discoveries of the mid-nineteenth century. The author provides not only descriptions, but also information on where and when each fossil was found, as well as its dimensions and other identifying characteristics. This book also includes a few notes on previously described species, in amplication or correction of the original descriptions. These descriptions and notes reveal the diversity of life forms that existed millions of years ago, and allows us to better understand the evolution of life on earth. 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.