THE ORIGIN OF XEW FORiLS 



195 



208. Origin bj variation. Variation is here used only in the 

 ^rj5e of indefinite variabilitv. Le.. ver\- ^lisrht differences of anv 

 jr all parts in any direction, A c^ iny of manv indi- 



lidnals of the same species qtdcklj- reveals tbe fact that no two 

 ire exactly alike. There are many slight d;^ ^ of size, color, 



brm, surface, etc., some found in one plant, 3or*e in another, aid 



^ 



10.69. Rf i the z 



strikmg vi, in the 



r) fort}"; - - -' f- -'*'f.r, T.t^-T-c.t-T-. 



be vari ^ _: . . 



3 succe^, others tmfavora . iIidi^^duals with f 



ariations obtain a certain small advantage over the 

 onsequence the}' grow larger and stronger, are more attractive 

 insects, etc.. and as a result produce more or better ~ 

 Lccordingly, in the seeor . ^ favorable varia' ; 



