336 H. Wurtz on a Gas Well in New York. 
The specimen from Andernach was analyzed for the silica, &e., 
and found to contain silica 54°75, alumina 23°08, and 1°55 of 
oxyd of iron; this last seemed to be mechanically disseminated 
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I have also detected rubidium in half a gram of margarodite 
and Warwick mica, and have failed to detect it in apophyllite, 
thomsonite, pectolite, eleolite, chesterlite, cancrinite and other 
silicates. 
Art. XXXV.— Examination of a new and extraordinary Gas 
Well in the State of New York ; by Professor Henry W URTZ 
[Read to the New York Lyceum of Natural History, March 14, 1870.]_ 
A New and copious outburst of gas has recently been ob- 
served in the township of West Bloomfield, county of Ontario, 
and State of New York, about twenty miles south of Rochester, 
and sixteen miles west of Canandaigua. | 
Tt is now about four years since the owner of the ground, — 
Mr. Beebe, while boring with the hope of getting petroleum, 
struck the cavity from which the gas flows, at a depth, as he state 4 
of 500 feet. The bore-hole is tubed down to, and into, the soli : 
rock, and the tube stands about ten feet above the sur This ; 
feet in heigl he flow has been stated in 
ties, who have measured it with large ball 
ed to the outlet, to be from four 
