MINERALOGY. 463 



Barytocalcite. Composition discussed and relation to alstouite (bronilite), with 



analysis, Becker, Zs. Kr. , xii, 222. 

 Bastonite. Libi'amont, Belgium, analysis, Klemeut, Min. petr. Mittb., viii, 21. 

 Beryl. Alexander County, North Carolina, crystals described, vom Rath, Ber. nied. 

 Ges. Bonn, Feb. 8; July 7. Occurrence of tine emeralds, W.E. Hidden, Am. J. 

 Sc, XXXII, 483. 

 Determination of the constants of elasticity, Voigt, Festschrift, Gottingen. 

 Experiments on elasticity, Vater, Zs. Kr., xi, 582. 

 Glencullcu, Ireland, composition and general description Joly, Scientif. Proc. Roy. 



Dublin Soc, v, 49. 

 Ifinger, Tyrol, occurrence, Schuster, Min. petr. Mitth., vii, 455. Analysis, Pri- 

 bram, id., VIII, 190. 

 Stoneham, Maine, analysis and discussion of composition, S. L. Penfield and D. 

 N. Harper, Am. J. Sc, xxxil, 110. Crystals described, W. E. Hidden, id., xxxil, 

 209. 

 Madagascar, analysis, Damour, Bull. Soc. Min., ix, 153. 

 Bei:zelhte. Langban, Svreden, crystals described and analysis, G. Flink, Bihang 



Vet. Akad. Handl., xii, 2, 27. 

 Bismuth. Twinning structure developed by pressure, Miigge, Jb. Min., i, 183. 

 BiOTiTE. Lake Superior, analysis, E. Claasseu, Am. J. Sc, xxxii, 244. 



In nodular segregations in granit ■ of Craftsbury, Vermont, Calvin, Proc. Acad. 

 Nat. Sc, Philad., 19. 

 Bloedite. Leopoldshall, crystals described, Luedecke, Zs. ges. Nat., lix, 157. 

 BoTRYOGEX. Fahlun, study of form and composition, Hockauf, Zs. Kr., xii, 240. 

 BoTRYOLiTE. Arendal, optical properties, Lacroix, Bull. Soc Miu., viii, 433, 1885. 

 BouKNONiTE. Nagyag, analysis, Six^ocz, Zs. Kr., xi, 218. 



Bka UNITE. Jakobsberg, Sweden, crystals referred to the tetartohedral-rhombohedral 

 system, Schuster, Min. petr. Mitth., vii, 443. Occurrence and description, 

 Igelstrom, Bull. Soc. Min., viil, 421, 1885. 

 Windgiille, Switzerland, crystallographic note, Schmidt, Zs. Kr., xi, 603. 

 Breitiiauptite. Artificial crystals analyzed. Brand, Zs. Kr., xii 234. 

 Brewsterlixite. In topaz, Nordenskiold, Jb. Min., i, 242. 

 Bromlite. Composition and relation to barytocalcite discussed, with analysis, 



Becker, Zs. Kr., xii, 222. 

 Brookite. Magnet Cove, Arkansas, crystalline form described, S. L. Penfield, Am. 



J. Sc, xxxi, 387 ; E. S. Dana, id., xxxii, 314. 

 BruiaciiITE. Loch Bruithaich, analysis. Macadam, Min. Mag., vii, 42. 

 Calamixe. Altenberg, crystal described, Cesaro, Bull. Soc. Miu., ix, 242. 

 Calcite. Blaton, Belgium, crystals described, Sausoni, Bull. Acad. Roy. Bclg. [3]. 

 IX, and Zs. Kr., xi, 352. 

 Belgium, description of crystals, Cesaro, Ann. Soc. Belg., Mem., xiii, 14; Roy. 



Acad. Belg., M^moires couronn6es, xxxviii. 

 Andreasberg, crystals described, Thiirliug, Jb. Min., Beil.-Bd., iv, 327. 

 Kotterbach, Hungary, crystals examined, A. Schmidt, Zs. Kr., xii, 109. 

 Rbombohedral cleavage discussed,*Cesaro, Bull. Soc. Min., ix, 281. 

 Var. Iceland S2)ar, reflection of light as affected by polish of surface. Spurge, 

 Proc. Roy. Soc, London, xli, 463. Polarization of light reflected from surface 

 of crystals, Conroy, Proc. Roy. Soc, London, XL, 173. 

 Couzon, Rhone, phenomena of corrosion, Gonuard, C. R., Jan. 31. 

 Experiments on elasticity, Vater, Zs. Kr., xi, 577. 

 Etching figures, Ebner, Ber. Ak. Wien, xci, 760, 1885. 

 Pseudomorphs after aragonite, described, Bauer, Jb. Min., 1886, i, 62. 

 Caledonite. Sardinia, occurrence at the Malacalzetta mine, Lovisato, Att. Accad. 



Line [4], 11,257. Crystals described, vom Rath, Ber. nied. Ges. Bonn. Feb. 8. 

 Cancrinite. Litchfield, Maine, analyses, F. W. Clarke, Am. J. Sc, xxxi, 263. 



