A CKNO WLED GMENTS. 2 1 5 



— Mineralogical Notes of Brookite, Octahedrite, Quartz and Ruby. 2 pp. 

 (329-330).— Am. Jour. Sci., Vol. XLIII, April, 1892. 



— On the Occurrence of Diamonds in Wisconsin. 2 pp. (638-639). — Bull. 

 Geol. Soc. Am., Vol. II. 



— On the Occurrence of Fire Opal in a Basalt in Washington State, i p. 

 (639).— Bull. Geol. Soc, Am., Vol. II. 



— Exhibition of Gems used as Amulets, etc. 3 pp. (29-31). — Jour. American 

 Folk-Lore. 



— On Remarkable Coffer Minerals from Arizona. 4 pp. (275-278), Oct. 5, 1885). 



— The North Carolina Diamond. i p.. 111.— Am. Jour. Sci., Vol. XXXIV, Dec. 

 1887. 



— A Note on the Finding of Two Fine American Beryls (abstract). 2 pp. 

 (275-276).— Proc. A. A. A. S., Vol. XXXII, Minneapolis meeting, Aug. 1883. 



— Rhodocrosite from Colorado, i p. — Am. Jour. Sci., Vol. XXXIV, Dec. 1887. 



— Hydrophane from Colorado and Silver Nugget from Mexico, i p. — Am. 

 Jour., Sci., Vol. XXXIV, Dec. 1887. 



— On a Large Garnet from New York Island. 2 pp.. 111. — N. Y. Acad. Sci 

 May 30, 1886. 



—Korean Curios. 2 pp. (172-173), 111.— Science, Vol. IV, No. 82, Aug. 29, 

 1884. 



— On the Tourmaline and Associated Minerals of Auburn, Maine. Andalusite 

 from Gorham, Maine. The White Garnet from Wakefield, Canada. 4 pp. (1-4), 

 Am. Jour. Sci., Vol. XXVII, April, 1884, 2 copies. 



— On a White Garnet from near Hull, Canada. 2 pp. (269-270). (Abs.). — Proc. 

 A. A. A. S., Vol. XXXII, Aug. 1883. 



— Topaz and Associated Minerals from Stoneham, Oxford Co., Maine. (Abs.). 

 3 pp. (271-273).— Proc. A. A. A. S., Vol. XXXII, Aug. 1883. 



— Minerals from Fort George, New York City. (Abs.). i p. — Trans. N. Y. 

 Acad. Sci., Vol. VII, No. 2, Nov. 1887. 



— Andalusite from a New American Locality. 2 pp. (270-271). (Abs.). — 

 Proc. A. A. A. S., Vol. XXXII, Aug. 1883. 



— The Gem Collection of the U. S. National Museum. 7 pp. (268-275). — Rep. 

 Smithsonian Inst., 1885-86, Part II. 

 (and Weinschenk, E.) 



— Meteoritenstudien, mit emer Tafel. 1 1 pp. — Tschermak's Mineralog. u. Petro- 

 graph. Mittheilungen, XII Band, 3 Heft, 1891. 

 Lane, Alfred C. 



— On the Recognition of the Angles of Crystals in Thin Sections. 18 pp. 

 (365-382), I pL— Bull. Geol. Soc. Am., Vol. II, May, 1891. 



— On the Estimate of the Optical Angle by Observations in Parallel Light. 

 6 PP- (53-58).— Am. Jour. Sci., Vol. XXXIX, Jan. 1890. 



—Estimate of the Optical Angle ; A Correction.— Am. Jour. Sci., Vol. XLIII, 

 Jan. 1892. 



— Separat-Abdruck aus den Mineralogische und Petrographischen Mittheilun- 

 gen, Herausgegeben von G. Tschermak. Uber Den Habitus Des Gesteinsbilden- 

 den Titanit. 9 pp. (207-215), 111. 



— Petrographical Tables. 3 pp. (341-343), 2 tables. — Am. Geol., June, 1891. 

 Lesquereux, Leo. 



— Remarks on Some Fossil Remains Considered as Peculiar Kinds of Marine 

 Plants.— Proc. U. S. Nat. Mus., Vol. XIII, No. 792, 8 pp. (5-12), 1890. 

 Lindahl, Josua, Ph.D. 



— Description of a Skull of Megalonyx Leidyi, n. sp. 9 pp., 5 pi. — Read before 

 Am. Philos. Soc, Jan. 2, 1891. 



—Our Pennatulid-Slagtet Umbellula, Cuv. 22 pp., 3 pi. — Till Kongl. Vet- 

 Akad. Inlemnad den 10 Febr. 1874. 

 Leverett, Frank. 



— On the Significance of the White Clavs of the Ohio Region. 7 pp. (18-24). — 

 Am. Geol., Vol. X, July, 1892. 



