ESSAYS UPON HEREDITY 



AND KINDRED 



BIOLOGICAL PROBLEMS 



BY 



Dr. august WEISMANN 



PROFESSOR IN THE UNIVERSITY OF FREIBURG IN BREISGAU ' ' 



VOLUME I 



EDITED BY 



EDWARD B. POULTON, MA., F.R.S., F.L.S., F.G.S. 

 SELMAR SCHONLAND, Ph.D., Hon. M.A. Oxon. 



AND 



ARTHUR E. SHIPLEY, M.A., F.L.S. 



AUTHORISED TRANSLATION.— SECOND EDITION 



AT THE CLARENDON PRESS 



1891 



