174 J. L. Smith on the Artesian Well at Louisville. 
, the explanation of some of the counter currents which 
exist along the great oceanic currents, as also of the eddy cur 
ents of rivers. These too imperfect generalizations may do 
something towards making the system of ocean currents more 
comprehensible. So great a subject needs treatment far differ 
ent from what it has yet received, and first of all the essential 
Art. XX.—Report on Dupont’s Artesian Well at Louisville, Ky.; 
by J. Lawrence Smiru, M.D., Prof. Chem. University of 
Louisville. ' 
Tuts work was commenced in April, 1857, from the bottom 
of a well that had a depth of 20 feet, the boring tools employed 
out being able to make out with any degree of certainty, va 
amount of Upper Silurian poe through, we suppose 
epth of 1600 feet a sandstone Wi 
his flowed out abundantly and with much force. The quantity 
not being sufficient, the boring was continued. er this, it wis 
the increase being more marked at 1879 feet, and still wet | 
oe 
increase of water. ‘this 
The following table exhibits the series of rock as far mie : 
possible to make it out by the fine fragments taken out 65 
_ ent depths, beginning at the top: - 
