MAN— PAST, PRESENT AND I-UTURE 931 



Ci LiLKAL Periods as E\ idence of Cekei5kai Development. It is 

 probable that he had an actual Lolitinc periof/ w hen the stonr implenu-iits he 

 produet'd had all the eruditx' ol accidental lorins. The many adaptive im- 



FIG. 41C). NEOLITHIC MEN. 



These men lived along the shores of the Baltic in the early stages of the New Stone Age. They were the 

 direct forerunners of civilization. They cultivated the soil, domesticated animals, made pottery and woven 

 textiles, erected sepulchres .and temples of stone (dolmens and megaliths). Painted by Charles R. Knight 

 under the direction of Prof. 1 Icnrv Fairfield Osborn. From The I lall of the Age of Man, American Museum 

 of Natural History. 



provements in his (lints during; the [)re-CheIIean,Chellean and Acheulean peri- 

 ods, led by progress i\'e stages to his pronounced Monsterian productiveness. 

 More striking still was his Aurignacian development with its remarkable out- 

 burst ol esthetic enthusiasm and artistic creations. II atti'i" the Solutrean era 

 his industries began to languish, acluall\ sinking to a low le\ fl m the Azilian 

 period, it seems onl\ m preparation lor the acKcnt ol Neolithic man. 



The Cro-Magnon decadence ma\ well ha\ f cleared the way for a transi- 

 tion which was to pro\ e portentous in its material and psychic acKance. It 

 ushered in a period ol j^ractical utilities. It substitutc'd tlu' beiielits oi applied 

 science lor the delusions ol t'xpedient sorcery. Neolithic man ma\' ha\'C 

 prayed lor his crops, but he also tilled the soil and planted si'cd. He may 



