IXTROOrCTlOX TO PART W 



"^llE \ast dilU'iTiic'c's bctw (.'cii man aiul all (itluT li\ iii<i c'lX'atLircs arc 

 inanllrst in tiu' coitipkAit \ ol human allan's. In si/c and lorm of body 

 lluTc' aw many ncitabk' ri'scmhianci's hclwrt-n man and the a|)os, 

 particularlv tht' iiri'at apis. Bui Iutc the smiilarit\ ends abrupt l\. Man lias 

 created a ni-w world whieh \\v stn\t's to control b\' laws ol his own maknig. 

 The record of man's accomplishments has Invn ti'ni|)i'red b\ (.'xery heat 

 ofemotion, b\ rabid di-nuncialion, l)\ cc]ually c\trava<j;ant praise. Ob\iously, 

 theix' IS a lack ol discriminat m<z impartiality arisinii Irom mlu-reiit i-mbarrass- 

 ments of a situation in w Inch man linds himsi'll at one and the same time the 

 material and the makir ol his own criticisms. Good reasons exist lor the 

 dillicultx' of mamtainmij: a detaclu'd at tit ude in lud^ment. bor, according as 

 the point ol \ lew ma\ be rt'hij;ious, philosophical, historical, scientilic, 

 artistic oi' et-onomic, tiu' incentiNX' lorce behind tlu' multitude ol human 

 actixitics is ascribed either to t lu' soul, to the ps\ che, to {hv mind, to the 

 spii'it ol man or to human <^enius. 



In the liiiht of histor\ and contemporaneous acKancenuaits, it is essen- 

 tial to assunu' the existence ol some specilic powfr which distin<i:uishes man 

 among all livinii ihini^s. But il this assumption disre<iards the probable 

 genesis of so remarkable a powx-r, it max omit an important detail in the 

 process w herebx this striking' dillerent lation has been attained. \\ tii' it 

 possible to behold man toilm;j; u|>ward oxer the long stages of" his slow 

 progress during the j^ast hall million xt'ars or so, this genesis might be the 

 more rtadilx traced. It might be seen in the gradual specialization in those 

 ])arts of his organization, his hands, w ith w Inch he has contimu'd to reach out 

 and linallx' to lay lirm hold upon t he psx che or soul. I his surpassing endow- 

 ment, Professor Osborn beliexcs, canu' to man at some critical |X'riod wIumi 

 he stood up in the dawning glorx ol Ins Cro-Magnon manhood and drew 



u|)on tlu' walls ol Ins caxc the lirst imjjcrishable record ol his greatness. 



729 



