This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.

Product Description: Building on the work of Darwin and Mendel, the biologist William Bateson (1861-1926) was the first scientist to combine the study of variation, heredity and evolution, and to use the term 'genetics'. This book was first published in 1894 after many years of experimental and theoretical work - particularly in the embryology of the acorn worm genus Balanoglossus - which had been guided by the principle that embryonic developmental stages replay the evolutionary transitions of adult forms of an organism's ancestors...read more