302 



GEOLOGY OF THE COMSTOCK LODE. 



tolerable faithfulness. Besides these data, the number of hours which had 

 elapsed since ebullition first set in are also given. 



Table V. 



Table VI. 



Table VII. 



A large difference between the temperatures of the interior and exterior 

 of the cylinder, the former being the smaller, but increasing more rapidly 

 than before, is again apparent. 



