686 



INDEX 



*Optical properties of roscoelite. F. 



E. Wright. 95. 

 *Stokes method for determination of 

 pyrirte and marcasite. E. T. Al- 

 len and J. L. Crenshaw. 93. 

 *Das Studium der Mineraltschmelz- 



punkte. A. L. Day. 92. 

 * Wolframite, beraunite, and axinite. 

 E. T. Wherry. 60. 

 *Arrangement of minerals according 

 to occurrence. E. T. Wherry, 

 670. 

 Mining. A unique coal mine gas ex- 

 plosion. E. W. Shaw. 140. 

 Ornithology. Basic facts of bird col- 

 oration. W. Palmer. 411. 

 Birds of a cat-tail marsh. A. A. 



Allen. 372. 

 Importation of foreign birds. T. S. 



Palmer. 334. 

 National bird census. W. W. Cooke. 



262. 

 Some birds of the Florida Keys. P. 

 Bartsch. 263. 

 Palcnnlology. *Cretaceous deposits, 

 eastern Gulf region. L. W. Ste- 

 phenson. 24. 

 *Fauna, Boone chert, Arkansas. G. 



H. GiRTY. 604. 

 *Fauna, Batesville sandstone, Arkan- 

 sas. G. H. GiRTY. 603. 

 *Faunas of the Boone limestone, Ar- 

 kansas. G. H. GiRTY. 605. 

 *Fauna, Wewoka formation, Okla- 

 homa. G. H. GiRTY. 606. 

 *Mammals of the Pleistocene of 

 North America. O. P. Hay. 582. 

 Petrology. *Analcite basalts of Sar- 

 dinia. H. S. Washington. 97. 

 *I Basalti Analcitici della Sardegna. 



H. S. Washington. 97. 

 *Composition of rockallite. H. S. 



Washington. 96. 

 *Gneisses in the Highlands of New 



Jersey. C. N. Fenner. 180. 

 *i\Iolybdenum in rocks. J. B. Fer- 

 . GUSON. 96. 



*Pyroxenite and hornblendite in Ba- 

 hia, Brazil. H. S. Washington. 

 180. 

 The position of the vibration plane 

 of the polarizer in the petrographic 

 microscope. F. E. Wright. 641. 

 Petrography. The petrographic mi- 

 croscope. F. E. Wright. 229. 

 Physical Chemistry. Annealing of 

 bronze. H. S. Rawdon. 589. 

 *The binary system ]\IgO-Si02. N. 

 L. BowEN and O. Andersen. 90. 

 *Diffusion processes in preparation 

 of pure substances. J. Johnston. 

 90. 

 Fusible tin boiler plugs. G. K. Bur- 

 gess and P. D. Merica. 461. 

 Quality of platinum ware. G. K. 



Burgess and P. D. Sale. 378. 

 Reduction of iron oxides. R. B. 

 SosMAN and J. C. Hostetter. 

 293. 

 Solubility of calcite in water. R. C. 



Wells. 617. 

 Supposed allotropy of copper. G. K. 

 Burgess and I. N. Kellberg. 657. 

 *The ternary system CaO-Al203- 



SiOz. G. A. Rankin. 88. 

 *Ternary system: diopside-forster- 



ite-silica. N. L. Bowen. 178. 

 A vacuum furnace. R. B. Sosman 

 and J. C. Hostetter. 277. 

 Physics. Aneroid barometers. M. D. 

 Hersey. 137. 

 An aneroid calorimeter. H. C. Dick- 

 inson and N. S. Osborne. 337. 

 Calculation of force between cur- 

 rents. F. W. Grover. 456. 

 *Calibration tables for copper-con- 

 stantan and platinum-plantinrho- 

 dium thermo-elements. L. H. Ad- 

 ams. 84. 

 *Calorimetric methods of high pre- 

 cision. W. P. White. 87. 

 Chromatic reflection in covellite. 



H. E. Merwin. 341. 

 Earth resistivity. F. Wenner. 561. 



•Abstracts. 



