INDEX TO VOLUME XXII ' 833 



PAGE 



Merwin, H. E. A Method of Determining the Density of Minerals by 

 Means of Rohrbach's Solution Having a Standard Refractive 

 Index. Review by A. J 531 



. Media of High Refraction for Refractive Index Determina- 

 tions with the Microscope; Also a Set of Permanent Standard 

 Media of Lower Refraction. Review by A. J 531 



. Quartz and Fluorite as Standards of Density and Refractive 



Index. Review by A. J. 531 



Merwin and Larsen. Mixtures of Amorphous Sulphur and Selenium 

 as Immersion Media for the Determination of High Refractive 

 Indices with the Microscope. Review by A. J. . . . . 532 



Michelson, A. A. Preliminary Results of Measurements of the Rigidity 



of the Earth 97 



Middle-Upper Huronian Unconformity in the Quartzite Hills at Little 

 Lake, Michigan, Evidence of the. By R. C. Allen and L. P. 

 Barrett . 574 



Mikroskope fiir petrographische und krystalloptische Studien, Ueber 



zwei neue. By C. Leiss. Review by A. J 438 



Milch, L. Die Systematik der Eruptivgesteine. Erster Teil. Review 



by A. J 533 



. Ueber die Beziehungen des Riesengebirgsgranits (Granitit), zu 



dem ihn im Siiden begleitenden Granitzuge. Review by A. J. . 532 



Milch, L., and Carl Renz. Ueber griechische Quarzkeratophyre. Re- 

 view by A. J 532 



Miller, Willam I. Contact Action of Gabbro on Granite in Warren 



County, New York. Review by A. J 533 



Miller, William J. The Garnet Deposits of Warren County, New York. 



Review by A. J • ■ • 533 



Mississippian Rocks of Northeastern Oklahoma, The. By L. C. Snider 613 



Mixtures of Amorphous Sulphur and Selenium as Immersion Media for 

 the Determination of High Refractive Indices with the Microscope. 

 Merwin and Larsen. Review by A. J 532 



Mode of Formation of Certain Gneisses in the Highlands of New Jersey, 



The. By Clarence N. Fenner 594, 694 



Monnier, Alfred, and Louis Duparc. Traite de technique mineralo- 

 gique et petrographique. Vol. II-i. Les methodes chimiques 

 qualitatives. Review by Albert Johannsen 275 



Murdoch, Joseph, and L. C. Graton. The Sulphide Ores of Copper. 



Some Results of Microscopic Study. Review by A. J. . . . 278 



Nephelite-Basalt from Yinge-men, Manchuria, On. By B. Koto. 



Review by A. J 285 



Neues petrographisches Mikroskop fiir die Theodolit-Methode. By 



C. Leiss. Review by A. J 438 



