236 MINERALOGY. 



the Survey at Harrisbiirg. Second Geological Sutmey of Pennsyl- 

 vania. Pp. viii, 106. 8vo. Harrishurg. 



Maskelyne, Prof. N. S. Crystallography — Mmeralogy. Handbook 

 to the Special Loan Collection of Scientific Apparatus, pp. 304- 

 320. 



Refers especially to the measurement of crystals. 



Meissonnier, — . Sur I'existence, en Espagne, d'un gisement de 

 minerals de Nickel analogues a ceux de la Nouvelle-Caledonie. 

 [Occurrence of Nickel-ores in Spain like those of New Caledonia.] 

 Compt. Rend. t. Ixxiii. p. 229. 



Miller, W. H. On a new form of the Reflecting Goniometer. Phil. 



Mag. ser. 5, vol. ii. pp. 281-285. 

 Describes the instrument, and points out its advantages over previous 

 forms. Discusses methods of obtaining bright and faint signals. 



Moiser, H. R. On Quartz. Naturalist^ ser. 2, vol. i. pp. 161, 162. 



Abstract. 

 Chemical and crystallographical description, colouring matters, and 

 origin noticed. 



Morgan, Alfred. A note on the theory of metalliferous deposits in 

 veins. Proc. Liverpool Geol. Soc. vol. iii. pt. ii. pp. 90-93. 



Refers to experiments of R. Hunt, in which unstable equilibrium in 

 a chemical solution was sufficient to produce metalliferous deposition 

 on surfaces widely separated. C. E. R. 



Neminar, Dr. Edmund F. Die Krystallform des Barytocolestins. 



[Crystallization of Barytocelestine.] Min. Mitth. Heft i. pp. 59- 



64 ; 2 woodcuts. 



A study of the crystalline form of Barytocelestine from the Binnen- 



thal, Switzerland ; and a comparison with the forms of barytes and 



celestine. Concludes that barytocelestine is independent, and does not 



stand between barytes and celestine in its crystalline forms. E. W. R. 



Minerale aus dem nordwestlichen Theile Schlesiens. [Mine- 



rals from N.W. Silesia.] Min. Mitth. Heft ii. pp. 141, 142. 

 Note on occurrence of garnet, vesuvian, staurolite, and magnetite. 



Nordenskiold, A. E. Kupferpccherz fran Ural. [Pitch Copper-ore 



from Ural.] Geol. Foren. Stockholm Forh. Bd. iii. pp. 117, 118. 

 Analyses given. It is thought possible that the substance has a 

 composition represented by the formula: — 



5R^|| + 2FHHHO. ^^ 



. Meddelanden i mineralogi. [Notes on Mineralogy.] Geol. 



Foren. Stockholm Forh. Bd. iii. pp. 226-229. 



