EVOLUTION- 253 



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Will man himself change; in bodv c r — - : - And if so, in what direction? 

 These are questions impossible to ai^ ;j T'.tre seems to have been no 

 significant change in his body since die bcgir r ' 1 : :b€ historical period. 

 But in considering his foture we have to do v . . ' . : ' .oosands bat niil- 

 iions of vears; tens, possibly hondreds of milli<His. T : ; was immense 

 evolution along manv mammalian [Ir.ts during the sixtv million vears of 

 the Cenozoic; great changes took z'.i'-t :r. :-.e homi- : ioring the 

 last million, sL". : e "t '.rr. r'2;:i' itr :. 1. 



In the past, icrr:.: :'z'. 7:: e : rowiy specialize: " e! -.— rf :: 1 

 particular environrr.:' "i t- : 1: environmoit : : .t: : t :; 



unable to adapt rher. .t t: : rr.t "rv cmditions. ;' : i:: : re: i" 

 is a generalized i<'..r\. 1 .:' : - - - -: : tr. He ;i" r_r ; _: r r 



the deer; climb, but not like : t r :- t r : - e :- r :- : 



he can fiv. But he has what birds, bei:: ;- : - - - ^ r,: - : i 



superior brain. He can think; and by:' r t i : . :t: 



body and hands and with the tools his :: have made, devisee rrtir.: 

 for beating each of the others at their r. ::7:i2ity. It is pre" 1: ^ :ri: 

 man v^iil continue much as he is now, iisirg f_i :_-::eil^eiice to seci-rc -is 

 adjustment and his contin-zed life 



That man has advances ~er:i. Jiiring historic times ~_r": stt— :o 

 be a good bet; but it is one :i::: :^:: - :: be collected on. _.::; -.: z:z - j 

 wav of establishing the facrs. Certainhr the eminenne oi d^e G:; Tt- 

 lectuals proves nothing. A^ .: 1. : eir abilitv the Git. i tit r :: t ::< 

 weld tosether the ^rri.'. Greek states and prevait their over:i-_- : r 

 Macedonia and R:~e. And it is i ii:: i-Jercnce that Xewron. E 

 and Einstein, Shakespeare and Goethe, and those ^rho are orgi~ : :j ::; 

 complex industrial life of to-dav, are at kast the e:::ii of the g^oiy zi^i: 

 was, for a short time, Greece. 



\Mth man a great chai^ has coir.e - ::: f^Oxiizh:- ~ :>rocess. i- ::; 

 past, evolving forms have been ouite -: riiTi^is o: ::r_r jwri ce ; :- 

 ment-Formanthisisnoloncer :r":e H: :^ r ::: . 7Z : — "?e :e r:5 :;— r. 

 he discovers the factors at wo:i: - ris own hereditv i- : t- : :~:-:- re 

 can look into the future; and ft : ; ^ ma degree : : :: ;t : r :: : :: : 

 direct his own evolution. He is alreadv directing the ev: : : :rt 



animak that are useful to him; die rest he exterminates. A^ : : : r.e 



in producing different breeds of cattk, swine, sfaeep : : : rr.-. a visit 

 to anv state fair will show. After such a visit one mav j "^ ' " s 



just as welL in vie\r of his presoit ignorance, that r-i- r 

 to exfjerimenr in this wav on himself. But the iv???:: _r. _^ :~^re. 



O 



