290 THE THRESHOLD OF EVOLUTION 



I did not find any vast discrepancies in my figures with geo- 

 logical estimates, so I have decided to let this estimate go. 1 

 would simply remark that if the reader likes to start with the 

 final 1,500,000,000, he may get a more accurate statement by 

 reversing the calculation. 



CHRONOLOGICAL ESTIMATE OF THE 14 DAYS ALREADY PASSED. 



14. From to-day to the dawn of Invention 

 13. ,, ,, Commerce 



12. ,, ,, , ,, Science 

 11. ,, ,, ,, ,, Government 



10. ,, , Religion 



9. , ; ,, ,, ,, Civilisation 



8. ,, ,, Agriculture 



7. ,, ,, ,, ,, Mind 



6. Evolution of mammals to man . 



5. From fish to mammals 



w 4. Protoso to fish and plant to fish 



3. Matter to plant ..... 



2. Molecules, gas fluid to matter 



1. Electrons to atoms .... 



1,000 years. 



3,000 



9,000 



27,000 



81,000 ,, 



243,000 ,, 



729,000 



2,187,000 



6,561,000 ,, 



19,683,000 



59,049,000 ,, 



177,147,000 ,, 



531,441,000 



1,594,323,000 



