Selection

(se-lek' -shun). In biology, the proce of choosing from a number. S., Artificial, the artificial choice, definitely planned, of such forms of animals or plants as will by differentiation develop and reproduce given or desired characteristics. S., Natural, " the preservation of favorable individual differences and variations and the destruction of those which are injurious " (Darwin " Survival of the fittest"). S., Physiologic, " the selection of those varieties, the individuals of which are fertile among themselves, 1 tit sterile or le fertile with other varieties and with the parent stock. This has been called segregate fecundity by Gulick, and homogamy by Romanes " (De Var- J igny). S., Sexual, the selection by females, among I varying and competing males, of the strongest or most attractive.