WEEKS.] 
PETROLOGY, AND MINERALOGY FOR 1892-1900. 
49 
Chemical analyses — Continued. 
Melonite, Hillebrand, 2583, 2585. 
Mesolite, Patton, 4261. 
Metadiorite, Turner, 5465. 
Metarhyolite, Diller, 1507. 
Metarhyolite, Weidman, 5970. 
Meteorite, Berkey, 426. 
Meteorite, Clarke and Hillebrand, 925. 
Meteorite, Foote, 1866, 1868, 1869. 
Meteorite, Hills, 2596. 
Meteorite, Merrill, 3957. 
Meteorite, Preston, 4468, 4469, 4470. 
Meteorite, Sehweinitz, 4861. 
Meteorite, Washington, 5871. 
Mica, Clarke and Darton, 929. 
Miea-andesite, Clarke and Hillebrand, 925. 
Mica-diorite, Clements, 1015. 
Mica-leucitite, Clarke and Hillebrand, 925. 
Mica-peridotite, Clarke and Hillebrand, 925. 
Mica schist, Clarke and Hillebrand, 925. 
Mica-schist, Diller, 1507. 
Mica schist, Kemp, 3015. 
Microline, Diller, 1507. 
Microperthite-hornfels, Clarke and Hille- 
brand, 925. 
Mineral water, Lane, 3395. 
Minette, Clarke and Hillebrand, 925. 
Minette, Diller, 1507. 
Minette, Pirsson, 4408. 
Missourite, Clarke and Hillebrand, 925. 
Missourite, Cross, 1196. 
Mitchellite, Pratt, 4445. 
Mixite, Tower and Smith, 5445. 
Monchiquite, Clarke and Hillebrand, 925. 
Monchiquite, Cross, 1197. 
Monchiquite, Pirsson, 4394. 
Monchiquite, Weed and Pirsson, 5935. 
Monticellite, Penfield and Forbes, 4312. 
Monzonite, Clarke and Hillebrand, 925. 
Monzonite, Cross, 1201. 
Monzonite, Iddings, 2845. 
Monzonite, Pirsson, 4408. 
Monzonite, Ransome, 4540. 
Monzonite, Smith, 5032. 
Monzonite, Tower and Smith, 5445. 
Monzonite-porphyry, Cross and Spencer, 1206. 
Nasonite, Penfield and Warren, 4323. 
Natural gas, Haworth, 2376. 
Nepheline-syenite, Diller, 1507. 
Nepheline syenite, Kemp, 3015. 
Nepheline-syenite, Ransome, 4541. 
Nepheline-syenite, Washington, 5873. 
Nephelite, Diller, 1507. 
Nevadite, Diller, 1507. 
Nordmarkite, Washington, 5873. 
Nordmarkite, Washington, 5877. 
Norite, Clements and Smyth, 1017. 
Northupite, Pratt, 4433. 
Novaculite, Clarke and Hillebrand, 925. 
Obsidian, Clarke and Hillebrand, 925. 
Oil, Phillips, 4376a. 
Oligoclase, Merrill, 3955. 
Olivenite, Tower and Smith, 5445. 
Olivine, Merrill, 3955. 
Olivine-basalt, Ransome, 4540. 
Olivine-basalt, Turner, 5465. 
Olivine diabase, Beyer, 433. 
Bull. 189—02 4 
Chemical analyses— Continued. 
Olivine-diabase, Diller, 1507. 
Olivine diabase, Walker, 5825. 
Olivine-gabbro, Clarke and Hillebrand, 925. 
Olivine-norite, Lord, 3574. 
Oolite, Diller, 1507. 
Ophicalcite, Kemp, 3015. 
Orendite, Cross, 1196. 
Orendite, Diller, 1507. 
Orthoclase, Diller, 1507. 
Orthoclase, Lindgren, 3541. 
Orthofelsite, Bascom, 276. 
Orthophyre, Turner, 5466. 
Ottrelite-phyllite, Clarke and Hillebrand, 925. 
Ouachitite, Clarke and Hillebrand, 925. 
Ouachite, Washington, 5880. 
Paisanite, Washington, 5872, 5875, 5877. 
Paisanite, Lord, 3573. 
Parisite, Penfield and Warren, 4322. 
Pearceite, Penfield, 4311, 4319. 
Pearlite, Clarke and Hillebrand, 925. 
Pectolite, Clarke and Steiger, 933. 
Peridotite, Clarke and Hillebrand, 925. 
Peridotite, Clements, 1015. 
Peridotite, Clements and Smyth, 1017. 
Peridotite. Cross, 1191. 
Peridotite, Diller, 1507. 
Peridotite, Kemp, 2993. 
Peridotite, Turner, 5460. 
Peridotite, Van Hise and Bayley, 5704. 
Peridotyte, Winchell, 6277. 
Petroleum, Slosson, 4997, 5996. 
Petroleum oil, Watts, 5909. 
Petzite, Hillebrand, 2583, 2585. 
Phlogopite, Cross, 1196. 
1'honolite, Clarke and Hillebrand, 925. 
Phonolite, Diller, 1507. 
Phonolite, Kemp, 2993. 
Phonolite, Washington, 5872. 
Phosphate, Branner, 535, 540. 
Phosphate, Hayes, 2423, 2424. 
Phosphate, Safford, 4732. 
Phosphate rock, Brown, 631. 
Phyllite, Clarke and Hillebrand, 925. 
Phyllite, Dale, 1256. 
Phyllite, Diller, 1507. 
Picrite, Clarke and Hillebrand, 925. 
Picrite-porphyry, Clements and Smyth, 1017. 
Pirssonite, Pratt, 4433. 
Pitchstone, Clarke and Hillebrand, 925. 
Pitchstone, Cross, 1191. 
Pitchstone, Emerson, 1674. 
Plagioclase, Diller, 1507. 
Plagioclase basalt, Cross, 1197. 
Plagioclasyite, Winchell, 6277. 
Pollucite, Foote, 1857. 
Polycrase, Hobbs, 2649. 
Porphyrite, Clarke and Hillebrand, 925. 
Porphyrite, Lindgren, 3531. 
Porphyrite, Smith, 5059. 
Prosopite, Hillebrand, 2581, 2585. 
Pulaskite, Cushing, 1244. 
Pulaskite, Diller, 1507. 
Pulaskite, Washington, 5877. 
Pulaskite-syenite, Washington, 5873. 
Pyrophyllite, Clarke and Steiger, 933. 
Pyroxene, Diller, 1507. 
