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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... Read Full Overview

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... Read Full Overview

Charles Robert Darwin (1809-1882) has been widely recognized since his own time as one of the most influential writers in the history of Western thought. His books were widely read by specialists and the general public, and his influence had been extended by almost continuous... Read Full Overview

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... Read Full Overview

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... Read Full Overview

The Various Contrivances by Which Orchids are Fertilized by Insects is a scientific book written by Charles Darwin, the famous naturalist and evolutionary theorist. The book explores the complex and fascinating relationship between orchids and insects, specifically how orchids... Read Full Overview

"The object of the following work is to show that the contrivances by which Orchids are fertilised, are as varied and almost as perfect as any of the most beautiful adaptations in the animal kingdom; and, secondly, to show that these contrivances have for their main object the... Read Full Overview

Reprint of the original, first published in 1862.

Reprint of the original, first published in 1862.

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... Read Full Overview

This is one of Darwin's lesser-known works, which explores the ways in which nature has solved problems through the process of natural selection. It covers topics such as the structure of flowers, instinct in animals, and the evolution of language. Anyone interested in evolutionary... Read Full Overview