The Correspondence of Charles Darwin: Volume 4, 1847-1850

This volume covers the first years of Darwin's study of the structure and systematics of barnacles: work that involved a worldwide search for specimens, detailed microscopic investigations, a consideration of the theoretical assumptions underlying classification schemes, and the solution of practical problems of zoological nomenclature. Darwin's convictions about the nature and origin of species influenced his observations and conclusions and provided insights that led to some remarkable di...