RECENT & 

 PLEISTOCENE, 

 4.OOO ft 



*oo.ooo years 



PLIOCENE 



spoof ? 

 500.000 years 



MIOCENE 

 9,000 ft 



900,000 years 



OLIGOCENE 

 12X500 f^ 



t.200,000 years 



EOCENE 

 IZjOOO f ' 

 1,200.000 years 



MODERN MAM 

 PILTDOWM MAM 

 NEANDERTHAL. MA If 



P/THECANTHBOPUS 



AN OF f SHOOT 

 FROM LAPCE. APES 

 A PRIMITIVE 

 SIAMANG 



A PRIMITIVE 

 GIBBON 



A Pt)IMIT/V 

 LARGE APE 



HUMAN 



ST6M 



COMMON STEM 

 OF LARGE APES 

 AND MAN 



-'COMMON STEM 

 'OF SMALL APES 



. A PRIMITIVE. 

 <.SMALL APE 



. STEM OF 

 OLD WORLD 

 ' MONKEYS 



. STEM OF 



NEW WORLD 



MONKEtS 



COMMON 

 ; STEM OF 

 PRIMATES 



SUGGESTED GENEALOGICAL TREE OF MAN AND ANTHROPOID APES 

 Prom Sir Arthur Keith; the lettering to the right has been slightly simplified. 



