I.. lil.AlllMillKM. SUli I/IIKIIKIIIIK KN MOSAKjl K. l.".l 



MTV. Iiiil [trcsciilcil it iiiidcr a siiii|ililiciil<>il l'oriii aiid |iarli<'iilai-ly iiicid ; lie liail 

 llicrcrori' lo liiiiil a ^rcal dcal liis oLscrvalious. licM. 



Ml;.M)i;i, limiled his sludy lo IIil- cases \\lieri' tlic |)ui'euLs dillLTriiccs eau Im- 

 |)aired. willi one's doiiiinaiice on IIkî oUicr. He admilted besides : I" llial in 

 llio cliaracl<M-s scparalion. Ihere are as mucli ovuls in one pari, as miicli pollen 

 rorn in llie ollier [lart, wliicli relurn to one and llie ollier lype; 2" Ihat llie 

 pollen iiirn's aCfinilys Cor Ihe ovuls are equal for any possible eombinaisons; 

 5° Ihal ail llie combinaisons are folloved by Ihe same fecondity. 



Il can casily be underslood why several aulliors hâve restrained Ihe domain 

 ol' Ihe hérédilé mend('lienne lo Ihe crossing beUveen varielies of Ihe same spe- 

 cies indefinitely l'erlile. e([uilibraled, wheu Ihe domain of Ihe hérédilé naudi- 

 nienue is uiuch lari^^er and cven miijfhl be more exlended, wilh somc précaution 

 lo Ihe [U'ogeny of cliimery individuals which are nol real liybrids. .1. L.B. 



