476 Scientific Intelligence. 
survey connected with measured bases. Several of the principal 
geodetic stations will be determined astronomically by the U. 8. 
Coast Survey, whose experience and training as field astronomers 
renders their work above all question. : 
e area to be examined is divided into three districts; the 
or so great a scientific work. The gr carries on the 
primary triangulation and superintends the business and work of 
the field parties. 
e head quarters of the Survey will be at Denver, Col. Ter., 
from which-point the field parties will be supplied by the quarter- 
master. 
First operations will be commenced about the middle of May, 
and it is hoped that the Survey will soon be able to give to the 
eountry accurate maps and descriptions of that most interesting 
the base of the mountain, both foreigners and natives a 
they distinctly heard the swash of the fiery liquid, like the roar- 
ing and surging of a rushing river. 
thousands of feet heavenward, and spread like a eee He 
over the mountain, was truly magnificent. At times t 
vi 
cal delusion e molten sea was confined within the deep crater, 
it was fearfully Parties were planning 2 ak 
Scene of action, when suddenly the gre ceased 
8&C 1 ; ; . at \ 
This was a little tantalizing, but as we had all been favored with 
