INDEX 



The superior figures tell-the exact place on the page in ninths; e. g. 410* 

 means page 410, beginning in the third ninth of the page, i. e. about one 

 third of the way down. 



Acetylene, discovery of, 407-. 

 Adams, gas wells, 456 a -59\ 

 Allegany county oil fields, 403 7 . 

 Alps, contraction of, 402 s . 

 Altitudes of villages, 489 7 . 

 Anderson, William, defense of Men- 

 del jeff's theory, 408 tf -9 3 . 

 Anticlines, 400*. 



Appalachians, contraction of, 402 2 . 



Archaean rocks, absence of petro- 

 liferous series from, 409°; study 

 of, 419". 



Asphalt, origin, 405*. 



Asphalt lake of Trinidad, 413 1 . 



Baldwinsville gas, 459*-76 7 ; compo- 

 sition, 468 1 ; is it a shale gas, 469 e - 

 72\ 



Barcelona lighthouse, gas supply, 

 510VL3 a . 



Benzin, obtained from fish oil, 411 1 . 

 Berthelot, P. E., theory of the origin 



of petroleum, 407 2 ; arguments 



against his hypothesis, 409 3 -10 4 . 

 Big Indian oil field, 403 1 . 

 Binning gas well, 464 7 -65 7 , 475 8 -76 5 . 

 Bituminous series, origin, 404 7 -18", 



452 5 -55 5 ; increase in products, 



410 3 . 



Bradford (Pa.) oil fields, 4G3 7 . s 

 Buffalo, see Eastern oil company of 

 Buffalo. s 



Cambrian time, formation of petro- 

 liferous series dates to, 455*. 

 Catskill, red, gas found in, 453\ 



Cattaraugus county, carboniferous 



rocks, 399 5 ; oil fields, 403 7 . 

 Central Square, gas wells, 455 7 -56 7 . 

 Chautauqua county, carboniferous 



rocks, 399 5 ; Lake shore natural 



gas belt, 492-522. 

 Chemung group in Chautauqua 



county, 493*. 

 Clarke, J. M., determinations, 449 2 , 



493\ 



Clay, absorbs and protects petro- 

 leum, 417 8 . 



Claypole, — , measurement of con- 

 traction of Appalachians, 402 2 . 



Conglomerates, 422". 



Devonian rocks, discovery of petro- 

 leum in, 422 8 . 



Dip of strata, 450 5 , 488 7 -90 8 . 



Dolomites, porous, 421 2 ; in Ohio and 

 Indiana oil fields, 424 2 . 



Dolomitic limestones, 421 1 . 



Dow well, Baldwinsville, 462 2 . 



Dunkirk, natural gas in, 500 7 . 



Eastern oil company of Buffalo, 



430 6 , 442\ 445 2 , 450 7 . 

 Ely, E. S., measurement of joint 



lines, 494 9 -95 B . 

 Empire Portland cement company, 



465 7 . 



Engler, Carl, experiments, 411 2 . 



Findlay gas, discovery, 426 4 ; spe- 

 cific gravity, 468 7 ; sulfur con- 

 tents, 468 8 -69». 



