EVOLUTION IN POSSE 225 



productive and selective aspects. If we can see 

 how people are marrying, we can see what posterity- 

 is likely to be. 



Marriage at present, as an evolutionary factor in 

 civilised countries, is instigated by two broad 

 motives — love and money. In a broad way, the 

 former motive is eugenic and the latter dysgenic, 

 so far, at least, as physical qualities are concerned. 

 For love in most cases is physical attraction, and 

 implies, on the average, health ; and selects, on 

 the average, the physically fit ; whereas money 

 guarantees only money, and implies that physical 

 attraction has had only a very subordinate place 

 in the transaction. 



But the situation is not quite so simple as that ; 

 we must consider the effect of the two motives on 

 the offspring. The offspring of the love-marriage 

 will probably have love, and the offspring of the 

 money-marriage money ; and even granting that 

 the offspring of the former marriage are the finer 

 men and women, will not the offspring of the 

 latter marriage, with all the advantages of money, 

 be the likelier to survive in the struggle for exist- 

 ence and to perpetuate their kind, and will not 

 the very same qualities that made money make 

 them also succeed in life ? If this be so, then 

 granting that money-marriages and love-marriages 

 are about equal in number, the general effect 



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