weeks] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1898. 117 
Chemical Analyses — Coniinned. 
Camptonyte, Lord, No. 499. 
Cancrinitc, Diller, No. 234. 
Cement, Haworth, No. 336. 
Chalk, Branner, No. 96. 
Chalk, Diller, No. 234. 
Chromite ore, Maynard, No. 540 
Ciminite, Ransonie, No. 648. 
Clay, Bain, Nos. 33, 37. 
Clay, Blatchley, No. 88. 
Clay. Ries, Nos. 658, 660, 661, 663. 
Clay, Smith, No. 706. 
Clay, Wheeler, No. 869. 
Clays, Branner, No. 96. 
Clay slate, Diller, No. 234. 
Clmohedrite, Penfield and Foote, No. 619. 
Coal, Bain, Nos. 33, 44. 
Coal, Elake, No. 82. 
Coal, Campbell, No. 127. 
Coal, Crane, No. 167. 
Coal, Diller, No. 235. 
Coal, Ellis and Lawson, No. 252. 
Coal, Haworth, No. 336. 
Coal, Hoffman, No. 364. 
Coal, Willis, No. 894, 895. 
Cyanite-granite gneiss, Hoffman, No. 364. 
Dacite, Becker, No. 56. 
Dacite, Diller, No. 234. 
Dacite, Smith, No. 714. 
Dacite porphyry, Diller, No. 234. 
Diabase, Diller, No. 234. 
Diabase, Turner, No. 777. 
Diabase, Watson, No. 853. 
Diallage, Diller, No. 234. 
Dike rock, Palmer and Stoddard, No. 597. 
Diopside, Diller, No. 234. 
Diorite, Becker, No. 56. 
Diorite, Diller, No. 234. 
Diorite, Purington, No. 644. 
Dolerite, Diller, No. 234. 
Dunite, Martin, No. 530. 
Eheolite-syenite, Cushing, No. 181. 
Enstatite, Pratt, No. 634. 
Enstatite-diabase-phorphyry, Lord, No. 499. 
Epidiorite, Turner, No. 777. 
Erionite, Eakle, No. 243. 
Feldspar, Diller, No. 234. 
Felsophyre, Darton and Keith, No. 198. 
Fibroferrite, Hoffman, No. 364. 
Fourchite, Turner, No. 777. 
Fuller's earth, Ries, No. 662. 
Gabbro, Becker, No. 56. 
Gabbro, Smith, No. 714. 
Gabbro-diorite, Diller, No. 234. 
Gahnite, Hidden and Pratt, No. 350. 
Garnetiferous gabbro, Diller, No. 234. 
Granite, Adams, No. 3. 
Granite, Day, No. 227, 
Granite, Diller, No. 234. 
Granite, Evans, No. 261. 
Granite, Mathews, No. 531. 
Granite, Weidman, No. 857a. 
Granite, Washington, No. 849. 
Granitite gneiss, Hoffman, No. 364. 
Gray wacke, Diller, No. 234. 
Grorudite, Washington, No. 849. 
Chemical Analyses — Continued. 
Hoinblende-diorite-porphyry, Diller, No. 234. 
Hornblende-gabbro, Clements, No. 159. 
Homblende-mica-andcsite, Diller, No. 234. 
Hornblendepyroxene-andesite, Ransomo, No. 
648. 
Hypersthene, Diller, No. 234. 
Hypersthenc-andesite, Diller, No. 234. 
Hypersthene-andesite, Smith, No. 709. 
Iolite, Hidden and Pratt, No. 350. 
Iron ore, Birkinbine, No. 78. 
Iron ore, Grant, No. 314. 
Iron ore, Kemp, Nos. 403, 405. 
Iron ore, Kimbal, No. 437. 
Iron ore, Ries, No. 658. 
Keratophyre, Weidman, No. 857a. 
Krennerite, Chester, No. 150. 
Lapilli, Diller, No. 234. 
Lavas, Maxwell, No. 539. 
Lepidomelane, Diller, No. 234. 
Limestone, Bain, No. 36. 
Limestone, Benedict, No. 71. 
Limestone, Beyer, No. 76. 
Limestone, Bishop, No. 81. 
Limestone, Diller, No. 234. 
Limestone, Haworth, No. 337. 
Limestone, Mathews, No. 531. 
Limestone, Prosser and Cumings, No. 643. 
Limestone, Richardson, No. 655. 
Lintonite, Winchell, No. 923. 
Liparite, Diller, No. 234. 
Litchfieldite, Washington, No. 851. 
Lithoidite, Diller, No. 234. 
Loess, Bain, No. 34. 
Marble, Day, No. 227. 
Marble, Diller, No. 234. 
Marble, Mathews, No. 531 . 
Melanotekite, Warren, No. 848. 
Metarhyolite, Diller, No. 234. 
Metarhyolite, Weidman, No. 857a. 
Meteorite, Preston, No. 640. 
Meteorite, Washington, No. 850. 
Mica-diorite, Clements, No. 159. 
Mica-schist, Diller, No. 234. 
Microline, Diller, No. 234. 
Minette, Diller, No. 234. 
Monzonite, Ransome, No. 648. 
Natural gas, Haworth, No. 336. 
Nepheline syenite, Diller, No. 234. 
Nepheline-syenite, Washington, No. 851. 
Nephelite, Diller, No. 234. 
Nevadite, Diller, No. 234. 
Nordmarkite, Washington, No. 851. 
divine-basalt, Ransome, No. 648. 
Olivine-diabase, Diller, No. 234. 
Oolite, Diller, No. 234. 
Orendite, Diller, No. 234. 
Orthoclase, Diller, No. 234. 
Orthoclaso, Lindgren, No. 493. 
Paisainte, Washington. No. 849. . 
Pearcite, Penfield, No. 618. 
Peridotite, Clements, No. 159. 
Peridotite, Diller, No. 234. 
Phonolite, Diller, No. 234. 
Phonolite, Washington, No. 849. 
Phosphate rock, Brown, No. 111. 
