82 LIST OF CONTRIBUTORS. 



Konig, Geo. A. Continued. 



On the forms of artificial oxide of zinc. P 73, 12 



On a boiler incrustation from New Jersey. P 73. 13 



Notes on Mr. Berthoud's paper. P 75, 365 



Mineralogical notes. P 76, 36, 155 ; 77, 276, 290, 292, 294 



■ On tantalite from Yaney County, North Carolina. P 76, 39 



On paehnolite and thomsenolite. P 76, 42 



On spessartite. P 76, 53 



Note upon Mr. Hay's paper. P 76, 78 



Mineralogical notes; hydrotitanite, a new mineral. P 76, 82 



Hexagonite, Goldsmith, a variety of tremolite. P 76, 180 



■ On astrophyllite, arfvedsonite and zircon. P 77, 9 



■ On enstatite. P 77, 198 



Protovermieulite, a new mineral species. P 77, 269 



■ On the association of grossularite, zoisite, heulandite and 



leidyite — a new species. P 78, 81 



Black barite from Derbyshire. P 78, 99 



— Mountain soap of California, P 78, 405 



— Mineralogical notes: randite. P 78, 408 



— Notes on jarosite. P '80, 331 



— Notes on monazite. P '82, 15 



— Orthite from Amelia Court House, Va. P '82, 103 



— Note on zeolites from Delaware Co. P '82, 286 



— Note on a new gold-purple. P '83, 75 



— A new locality for beegeriite. P '85, 19 



— Mineralogical notes — Composition of stromeyerite. P '86, 281 



— Manganese zinc serpentine from Franklin, N. J. P '86, 350 



— On schorlomite as a variety of melanite. P '86, 355 



— On a peculiar form of molybdenite. P '87, 38 



— On zinc-manganese, asbestos. P '87, 47 



— Preliminary note on a new mineral species from Franklin, 

 N. J. P '87, 310 



— Note on eleonorite from Sevier Co., Arkansas. P '88. 139 



— Note on mazapilite, a new species. P '88, 192 



— On anhydrite. P '89, 11 



— Mazapilite, a new mineral species. P '89, 45 



— Chloanthite, nicolite, de saulesite, annabergite, tephrowil- 





lemite, fluorite and aquatite from Franklin, N. J. P '89, 184 

 On para mel aconite and the associated minerals. P '91, 284 



Kraemer, Henry. Crystalline and crystalloidal substances and 

 their relation to planl structure. P '01, 450 



