Darwiniana

able action adapted admit animals appears authority become believe better body breed called causes changes character common complete consider contains course creation cross Darwin deposited direct distinct doctrine doubt effect evidence evolution example exhibited existence experiments expression fact favour force forms further germ give given groups hand horse hypothesis important influence kind knowledge known laws less living matter means mind modification natural selection naturalists objections observation offspring once operation opinion organic Origin of Species parent particular phenomena plants position possible present principles probably produced prove question races reason record relation remains remarkable respect result scientific selective breeding sense similar sort structure suppose tend term theory thing thought tion true variation varieties vary views whole