"Darwiniana: Essays." Volume 2" is a collection of essays by the outstanding British biologist Thomas Henry Huxley, who was a contemporary of Charles Darwin. In the book, the author examines the key principles of evolutionary theory, carefully examines the arguments of Darwin and other scientists of the era supporting the concept of natural selection. Based on his own research and observations, Huxley offers his own interpretations of this theory and its influence on the development of science and society as a whole. "Darwiniana: Essays." Volume 2" is a fascinating read for anyone interested in biology, evolution, and the history of scientific discoveries.