TOG SCIENTIFIC RECORD FOR 1885. 



Igelstromitk (Eiseukiicbolite). From Wester Sill'berg. Sweden, ;m;ily«is, \\'inljull, 



Miu. petr. Mittli, vii, 112. 

 lODYRiTE. Crystals from New Mexico, F. A. Genth and G. vom Rath, Za. Kr., x, 



473; Am. Phil. Soc, Philad., April 17. 

 Dimorphism of silver iodide, Mallar-i and Chatelier, J. Phys. , II, iv, 305. 

 loLiTE. Occurrence as a coustitueut of rocks, Ilnssak, Jahrb. Miu., 1885, ii, 81. 



Jamesonite. Formation artificially, Doelter, Zs. Kr., xi, 40. 

 JOSEITE. Brazil, analysis, Genth, Am. Phil. Soc, Philad., Oct. 2. 



KiRWANiTE. Examined microscopically, Lacroix, Bull. Soc. Miu., viii, 428. 

 Knebelite. Dauuemora, Sweden, analysis, etc., Weibull, Oefv. Ak. Stockh, xlii, 



No. 2, 3. See also Igelstkomite. 

 KoBELLiTE. Analysis of variety from Colorado containing no antimony and 5 to 



6 per cent, silver, H. F. and H. A. Kellar, Journ. Am. Chem. Soc, vii, 194. 

 Lavenite. New mineral from Langesundsfiord, Norway, Brogger, Geol. For. Forh., 



VII, 598. 

 Lead. Artificial crystallized silicate, E. S. Dana and S. L. Penfield, Am. J. Sc, 



XXX, 38. 

 Leucite. Eflect of heat upon position of twinning lamellye, Rosenbusch, Jahrb. 



Miu., 1885, II, 59. See also Klein, ibid., p. 234. 

 Altered to orthoclase Vesuvius, E. Scacchi, Reud. Ace. Sc. Napoli, December. 

 Pseudomorphs in the leucitophyr of theErzgehirge. Sauer, Zs. geol. Ges.,xxxvii, 



448. 

 Pseudomorphs (?) from Magnet Cove, Ark., G. F. Kunz, Amer. Assoc. Adv. Sc. 1885. 

 LiXARiTE. Comparison of measurements by himself and by V. Jeremejew, von Koks- 



charow, Miu. Rnsslaud, ix, 268. 

 LiNNiEiTE. Etching figures, F. Becke, Miu. petr. Mitth., vii, 225. 



Magnetite. Etching figures, F. Becke, Miu. petr. Mitth., vii, 200, 



Coutaining traces of vanadium, E. Claassen, Am. J. Sc, xxix, 349 ; Am. Ch. .T., 



vii, 349. 

 From Sweden, containing mangauesc, M. Weibull, Min. petr. Mitth., vii, 109. 

 Malachite. Occurrence in Arizona, G. F. Kunz, N. Y. Acad. Sc, Oct. 5, p. 275. 

 Marcasite. Formation artificially, Doelter, Zs. Kr., xi, 31. 

 Martite. Occurrence near Rittersgriin , Saxony, Schalch, Jahrb. Min., Beil.-Bd., 



IV, 189. 

 Mellite. Specific heat, Bartoli and Stracciati, Bull. Com. Geol. d'ltalia, vi. 

 Menaccanite. Analysis of titauic iron sand from Brazil, J. B. Mackintosh, Am. 

 J. Sc, xxix, 342. 

 Carter's Mine, N. C, ^.nalysis, Keller, Am. Phil. Soc Philad., Oct. 2. 

 Lancaster County, Pa., analysis, Kuerr aud Erunuer, Am. Ch. J., vi, 413. 

 Mercury. Found native in Louisiana, E. Wilkinson, Am. J. Sc, xxix, 280. 

 Metacinnabarite. From California in tetrahedral crystals like sphalerite, also anal- 

 ysis, S. L. Peutield, Am. J. Sc, xxix, 452. 

 Miargyritej Formation artificially, Doelter, Zs. Kr., xi, 39. 

 Mica. Varieties from Branchville, Conn., analyzed, Eammelsberg, Jahrb. Miu., 1885, 



II, 225. 

 Microlite. Transparent crystal from Viiginia, W. E. Hidden, Am. J. Sc. xxx, 82. 



Optically isotrope, Hintze, Zs. Kr., x, 86. 

 MiLARiTE. Optical examination, Eiune, Jahrb. Min., 1885, n, 1. 

 Monazite. Crystals from Cornwall examined, Miers, Min. Mag., vi, 64. 

 Found at Middletown, Conn., W. N. Rice, Am. J. Sc, xxix, 263. 

 Sands from Brazil, Gorceix, Bull. Soc. Min., viii, 32. 

 Muscovite. Wakefield, Canada, analysis, Genth, Am. Phil. Soc, Philad., Oct. 2. 



