PETROLOGY, AND MINERALOGY FOR 1892-1900. 
137 
Mineralogy— Continued. 
Minerals described — Continued. 
Stilbite, Moses, 4045b. 
Stilbite, Winchell, 6365. 
Stilpnomelane, Hoffmann, 2659. 
Stiphnomelane var. chalcodite, Ferrier, 1814. 
Strigovite, Berkey, 425. 
Strontianite, Hoffmann, 2657. 
Strontianite, Sherzer, 4954. 
Sulphur, Hoffmann, 2657. 
Sulphur, Sherzer, 4952, 4954. 
Sylvanite, Hobbs, 2648. 
Sylvanite, Palache, 4245. 
Talc, Hoffmann, 2657. 
Talc, Luquer, 3594a. 
Tantalite, Warren, 5864. 
Tapiolite, Warren, 5864. 
Tellurium, Pearce, 4278a. 
Tellurium, Turner, 517:;. 
Tennantite, Boffmann, 2657. 
Tennantite, Penfi< Id and Pearce, 4298. 
Tetrahedrite, Hoffmann, 2658. 
Tetrahedrite, Turner, 5459. 
Thalite, Winchell, 6363. 
Thaumasite, Penfleld and Forbes, 4313. 
Thomsonite, Patton, 4261. 
Thomsonite, Winchell and Grant, 6376. 
Topaz, Eakle, 1588. 
Topaz, Jones A. J., 2928. 
Topaz, Kunz, 3292, 3294. 
Topaz, Penfield and Minor, 4309. 
Tourmaline, dark.-, 927. 
Tourmaline, Hovey, 2766. 
Tourmaline, Kunz, 3290. 
Tourmaline, Orcutt, H37. 
Tourmaline, Patton, 1260. 
Tourmaline, Penfield and Foote, 4321. 
Turquoise, Fenderson, 1809. 
Turquoise, Penfield, 1326. 
Tysomte, Hillebrand, 2581, 25* i 
Ultramarine, Packard, 1236. 
Uraninite, Pearce, 1273. 
Uranium, Only, 4134. 
Utahlite, Kunz, 3295. 
Vanadium, Hillebrand, 2579, 2584. 
Variscite, Packard. 1235. 
Wardite, Davison, l n l 
Wavellite, Moses and Luquer, 4045a. 
Wellsite, Pratt, 4436. 
Wellsite, Pratt and Foote, 4437. 
Willemite, Penfield, 1304 
Wollastonite, Hillebrand, 2577. 
Wollastonite, Ries, 4611. 
Wollastonite, Winchell, 6368. 
Wulfenite, ingersoll, 2863. 
Xenotime, Hidden, 2512. 
Xenotime, Hoffmann, 2660, 2661. 
Xenotime, Hovey, 2766. 
Xenotime, Penfield, 4301. 
Yttrialite, Luquer, 3594a. 
Yttrium-calcium fluoride, Genth, 1967. 
Zincite, Moses, 4036. 
Zircon, Hidden and Pratt, 2516. 
Zircon, Pratt, 4432, 4436, 4438. 
Zircon, Turner, f>17:^. 
Zirkelite, Wadsworth, 5772. 
Zonochlorite, Winchell, 6364. 
Zunyite, Penfield, 4301. 
Minnesota. 
A bit of iron-range history, Winchell, H. V., 
6282. 
Adularia and other minerals of copper-bear- 
ing rocks, Winchell, 6368. 
Age of the Galena limestone, Winchell, N. H., 
6306. 
Akeley Lake region, Bayley, 302. 
Anorthosytes of Lake Superior, Lawson,3408. 
Archean of Minnesota and Finland, Winchell, 
6341. 
Archeological notes, Hershey, 2492. 
Augite and plagioclase, fibrous intergrowth 
of, Bayley, 303. 
Basic massive rocks of Lake Superior region, 
Bayley, 308, 310, 312. 
Biwabik Mine, Winchell, H. V., and Jones, 
6280. 
Brachiopoda from Trenton and Hudson River 
groups. Winchell, N. H., and Schuchert, 
6298. 
Changes of level in the region of the Great 
Lakes, Taylor, 5340. 
Chlorastrolite and zonochlorite, Winchell, 
6364. 
Chronometer, approximate interglacial, Win- 
chell, X. II., 6294. 
Coastal topography of Lake Superior, Law- 
son, 3410. 
Conditions of ripple marks, Jaggar, 2873. 
Contacl metamorphism of a basic igneous 
ro.k. Grant, 21 19. 
Cretaceous fossil plants from Minnesota, Les- 
quereux, 3472. 
Cretaceous in Minnesota, Winchell, II. V., 
627D. 
Crystalline rocks, the, Winchell, N. II., 6303. 
Diatomaceae of interglacial peat. Thomas, 
5365. 
Like- containing huronite, Barlow, 245. 
Drift, inequality of distribution of englacial, 
Upham, 5550. 
Driftless area in Minnesota. Grant, 2144. 
Eolian deposits, Hall and Sardeson, 2253. 
Erosion in St. Croix Valley, Upham, Supple- 
ment, 6546. 
Extent and distribution of Archean, Hall, 
2252. 
False bedding, Spurr, 5168. 
Field notes in 1890, Winchell, N. H., 6302. 
Field observations in 1892, Winchell, N. H., 
6304. 
Field work in Minnesota, Elftman, 1633. 
Field work in 1893 in Minnesota, Grant, 2110. 
Gabbroid rocks of Minnesota, Winchell, 6277. 
Geognostic and geographic observations, 
Kloos, 3193. 
Geologic structure of Vermilion range, Smyth 
and Finlay, 5101. 
Geological investigations in Minnesota, Win- 
chell, N. H„ 6305. 
Geology of Aitkin County, Upham, 5652. 
Geology of Akeley Lake plate, Grant, 2132. 
Geology of Beltrami County, Todd, 5435. 
Geology of Carlton County, Winchell, 6349. 
Geology of Carlton plate, Winchell, 6360. 
Geology of Cass County, Upham, 5653. 
