462 R2C0RD OF SCIENCE FOR 1886 



Amphibole, Mont Dore, crystuls described, Oebbeke, Zs. Kr., xi, 368. 



Franklin Furnace, Now Jersey, variety containing manganese and zinc, Kloos, 

 Jb. Miu., I, 211. 

 Aniiydiute. Influence of pressure on formation, G. Spezia, Ace. Soc. Torino, xxi, 



June 20. 

 Analcite. Transylvania, analyses, Medgyesy, Zs. Kr., xi, 263. 

 Andalusite. YitT.chiastolite, microscopic and cliemical investigation, Miiller, Inaug.- 



Diss., Berlin, iys6. 

 AxDESiNE. Sardinia, crystals described, vom Rath, Ver. nat. Casael, Festschrift. 

 Axglesite. Portugal, crystals described, R.H.Sully, Min. Mag., vii, 61. 

 Monte Poni, indices of refraction measured, Ramsay, Zs. Kr., xii, 217. 

 Annite. Cape Ann, Massachusetts, analysis (Riggs), and discussion of composition, 



F. W. Clarke, Am. J. So., xxxii, 359. 

 Anthopiiyllite. Scotland, optical examination, Lacroix, Bull. Soc. Min., ix, 7. 

 Axriiu.vciTE. Discussion of classification and composition, C. A. Ashburner, Amer. 



Inst. Min. Engineers. 

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

 Apatite. Nordmark, Sweden, crystals described, G. Flink, Bihang Vet. Akad. Handl., 

 XII, 2, 42. 

 Experiments on elasticity, Vater, Zs. Kr., xi, 581. 

 Mode of occurrence m Canada, Bell, Proc. Can. Inst. [3], iii, 291. 

 Var. francoUfe, St. Just, Cornwall, occurrence, R. H. Solly, Min. Mag., vii, 57. 



Analysis, Robinson, id., 59. 

 Var. manf/a)iaj)atite from Vestana, composition discussed, Weibull, Geol. For. 

 Forh., viii, 492. 

 Aphrosiderite. Lake Superior and Salida, Colorado, pseudomorph after garnet, S. 



L. Poutield and F. L. Sperry, Am. J. Sc, xxxii, 307. 

 Aragonite. Hungary, crystals described, A. Schmidt, Zs. Kr., xii. 107. 

 Etching figures, Ebner, Ber. Ak. Wien, xci, 760, 1385. 

 Altered to calcite, Bauer, Jb. Min., i, 62. 

 ArgyPvODITE. Freiberg, new mineral described, Weisbacli, Jb. Berg- Hutt., and Jb. 



Min., II, 67. 

 Arksutite. Ivigtut, Greenland, composition, etc., Nordenskiold, Geol. For. Fiirh., 



VIII, 172. 

 Arxi.mite. Planitz, new mineral described, Wcisbach, Jb. Berg- Hiitt. 1886. 

 Arsenic. Chili, the form arsenolamprite, Hiutze, Zs. Kr., xi, 606. 



Val Telliua, occurrence described, Bizarri and Cami>ani, Zs. Kr., xii, 194. 

 Arsexiosiderite. Rouiaufeche, optical propertiv^s, Lacroix, Bull. Soc. ilin., ix, 3. 

 Arsexolamprite. Chili, a moditied form of metallic arsenic, Hiutze, Zs. Kr., xi, 606. 

 Arsexopy'rite. Hungary, crystals described, A. Schmidt, Zs. Kr., xii, 1 2, 115, 116. 



Analysis, Loczka, Zs. Kr., xi, 263. 

 Axi.xite. Belstone, Devon, England, crystals described, Solly, Min. Mag., vi, 203. 

 AzoRiTE. Si. Miguel, possible identity with zircon, Hubbard, Ber. uied. Ges. Bonn, 



June 7. 

 AzoRPYRRiiiTE. Possible occurrence in lava of Laacher See, Germany, Hubbard, Ber. 



uied. Ges. Bonn, June 7. 

 AzuRlTE. Diana mine. Mono County, California, crystals described, A. W. Jackson, 



Proc. Cal. Acad. Sc, No. 4, p. 371. 

 Barite. Hungary, crystals described, A. Schmidt, Zs. Kr., xii, 105, 111. 



Vernasca, crystals described, Sansoui, Mem. Accad. Bologna [4], vi; and Zs. Kr., 



XI, 355. 

 Caprillone, crystals described and analysis, Busatti, Att. Soc. Tosc, vii, 191. 

 Addiewell, Midlothian, crystals described, with catalogue of planes, Trechmann, 



Min. Mag., vii, 49. 

 Transylvania, occurrence, Bcnko, Zs. Kr., xi, 263. 



