DOCTRINE OF UNIFORMITY" REFUTED. 9 



metrical system, about 10 centimetres, we may 

 take, in a rough estimate such as the present, r=6 

 X io 8 centimetres. Hence, 



3fc _ 3xl6xl0 4 8 



Drs ~ 3000 x 6 x 10 8 x '5 ~ 15 x 10 



This, multiplied by 20,000 x 10, amounts to 10,000, 

 or to 100 times as much heat as would warm 100 

 times the earth's bulk of surface rock by i Cent, 



