114 
INDEX TO NORTH AMERICAN GEOLOGY, 
[BULL. '203. 
Economic products described — Continued. 
Iron, Dumble, 247. 
Iron, Miller, 551, 552. 
Iron, Obalski, 572. 
Iron, Smith and Willis, 709. 
Iron, Spencer, 716. 
Iron, Van Hise, 759. 
Iron ores, Hayes, 355. 
Kainite, Merrill. 545. 
Kalinite, Merrill, 545. 
Kieserite, Merrill, 545. 
Lazurite, lapis lazuli, or native ultramarine, 
Merrill, 545. 
Lead, Haworth, 350. 
Lead, Keith, 411. 
Lead, Malcomson, 518. 
Lead, Phillips, 610. 
Lignite, Russell, 662. 
Lime, Norton, 568. 
Limestone, Donald, 233. 
Limestones, mortars, and cements, Merrill, 
545. 
Linnseite, Merrill, 545. 
Lithog- xphic limestones, Merrill, 545. 
Lollingite, leucopyrite, Merrill, 545. 
Magnesite, Merrill, 545. 
Manganese, Chibas, 137. 
Manganese, Hayes, 355. 
Manganese, Merrill, 545. 
Manganite, Merrill, 545. 
Manjak, Merrill, 545. 
Marble. Byrne, 99. 
Marble, Keith, 411. 
Marble, Lyon, 506. 
Marl, Blatchley and Ashley, 69. 
Marl, Davis, 201. 
Micas, Merrill, 545. 
Mirabilite, or Glauber salt, Merrill, 545. 
Molybdenite, Merrill, 545. 
Monazite, Merrill, 545. 
Natron, the nitrum of the ancients, Merrill, 
545. 
Natural gas, Bishop, 71. 
Natural gas, Haworth, 351. 
Natural gas, Ingall, 401. 
Natural gas, Udden, 748. 
Nickel, Ledoux, 486. 
Niter, potassium nitrate, Merrill, 545. 
Nitro-ealcite, Merrill, 545. 
Ochre, Chester, 136. 
Ocher, Hayes, 355. 
Ocher, Merrill, 545. 
Oil, Adams, 7. 
Oil, Bishop, 71. 
Oil, Blatchley, 68. 
Oil, Cooper, 163. 
Oil, Haworth, 351. 
Oil, Ingall, 401. 
Oil, Knight and Slosson, 450. 
Oil, Knight, 447. 
Oil, Lakes, 470,471,474,475,476. 
Oil, Phillips, 609. 
Oil, Willis, 834. 
Orpiment; auripigment, Merrill, 545. 
Ozokerite: mineral wax; native paraffin, Mer- 
rill, 545. 
Petroleum, Claypole, 149. 
Economic products described— Continued. 
Petroleum, Darton, 198. 
Petroleum, Merrill, 545. 
Petroleum, Phillips, 608. 
Phosphate, Eckel, 254a. 
Phosphate, Hayes, 357. 
Phosphate, Memminger, 541. 
Phosphate, Phillips, 611. 
Phosphate, Safford, 666. 
Platinum, Day, 226. 
Playing marbles, Merrill, 545. 
Polianite, Merrill, 545. 
Polyhalite, Merrill, 545. 
Portland cement, Merrill, 545. 
Psilomelane, Merrill, 545. 
Pumice, Merrill, 545. 
Pyrites, Merrill, 545. 
Pyrophyllite; agalmatolite; and pagodite, 
Merrill, 545. 
Pyrolusite, Merrill, 545. 
Quartz, Merrill, 545. 
Quicksilver, Spalding, 715. 
Realgar, Merrill, 545. 
Retinite, Merrill, 545. 
Rhodochrosite; dialogite, Merrill, 545. 
Rhodonite, Merrill, 545. 
Road material, Darton and Keith, 200. 
Roman cement, Merrill, 545. 
Roofing slate, Nevius, 563. 
Rutile, Merrill, 545. 
Salt, Gould, 303. 
Salt, Holder, 383. 
Samarskite, Merrill, 545. 
Scheelite, Merrill, 545. 
Sepiolite; meerschaum, Merrill, 545. 
Silver, Comstock. 161. 
Silver, Knapp, 444. 
Silver, Lowry, 500. 
Silver, McCormick, 515. 
Silver, Malcolmson, 518. 
Silver, Ordonez, 575. 
Silver, Purington, 636. 
Silver, Ransome, 639,640. 
Silver, Weatherby, 793. 
Skutterudite, Merrill, 545. 
Smaltite, Merrill, 545. 
Soda niter, Merrill, 545. 
Soils, Norton, 568. 
Soils, Hall, 331. 
Spodumene and petalite, Merrill, 545. 
Steatite; talc; and soapstone, Merrill, 545. 
Strontianite, Merrill, 545. 
Succinite; amber, Merrill, 545. 
Sychnodymite, Merrill, 545. 
Talc, Blasdale, 66. 
Thenardite, Merrill, 545. 
Tin, Brooks, 80a. 
Tin, Weed, 797. 
Tripolite, Crosby, 174. 
Triphylite and lithiophilite, Merrill, 545, 
Tripoli, Merrill, 545. 
Trona; urao, Merrill, 545. 
Tschermigite, Merrill, 545. 
Tungsten ore, Weeks, 800. 
Uintaite, Eldridge, 255. 
Ulexite; boronatrocaleite, Merrill, 545. 
Vanadinite, Merrill, 545. 
