CONTENTS. 



Page 



Art. XXXVIII. — Quartz as a Geologic Thermometer ; by 



F. E. Weight and E. S. Larson _ _ 421 



XXXIX. — Precipitation of Copper Oxalate in Analysis ; by 



F. A. Gooch and H. L. Ward 448 



XL. — Yakutat Coastal Plain of Alaska ; A combined ter- 

 restrial and marine Formation ; by E. Blackwelder _ 459 



XLI. — Pyrite Crystals from Bingham, Utah ; by A. F. 



Rogers _ _ 467 



XLII. — Composition of Stony Meteorites compared with 

 that of Terrestrial Igneous Rocks, and considered with 

 reference to their efficacy in World-Making ; by G. P. 

 Merrill _ _ 469 



XLIII. — Notes on the Family Pyramidellidse ; by K. J. 



Bush, Ph.D. . . _ 475 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics — Liquid and Solid Radium Emanation, Gray and 

 Eamsay : Gases Evolved by the Action of Cupric Chloride upon Steels, 

 Goutal, 485.— Kadiation of Potassium Salts, E. Henriot : Course of 

 Qualitative Chemical Analysis of Inorganic Substances, O. F. Tower, 

 486. — Suggested Method of Ascertaining the Existence of Chlorophyll on 

 Planets, N. Umow : Condensation of the Radium Emanation, Ruther- 

 ford : Electric Origin of Molecular Attraction, W. Sutherland, 487. — 

 Physical Measurements, A. W. Duff and A. W. Ewell, 488. 



Geology and Natural History — Monograph on the Higher Crustacea of the 

 Carboniferous Rocks of Scotland, B. N. Peach, 488. — Fossils from the 

 Silurian Formations of Tennessee, Indiana and Illinois, A. F. Foerste : 

 Illinois State Geological Survey, C. W. Rolfe, R. C. Purdy, A. N. Tal- 

 bot and I. O. Baker : Wisconsin Geological and Natural History Survey, 

 E. A. Birge and W. O. Hotchkiss : A new Locality of Diamonds in Africa, 

 E. Kaiser, 489. — Interferenzerscheinung^n im polarisirten Licht, H. 

 Hauswaldt : Cc mplete Mineral Catalog, W. M. Foote : Introduction to 

 the Study of Rocks, L. Fletcher : Determination of Rock-forming Min- 

 erals, A. Johannsen, 490. — Trees, A Handbook of Forest Botany for the 

 Woodlands and the Laboratory, H. M. Ward : Mendel's Principles of 

 Heredity, W. Bateson, 491. — Catalogue of the Lepidoptera Phalsense in 

 the British Museum, Vol. YII ; Catalogue of the Noctuidse, G. F. Hamp- 

 son, 492. 



Miscellaneous Scientific Intelligence — Bulletin of the Mount Weather Obser- 

 vatory, 492. — Field Columbian Museum, Chicago : Geographical Tables, 

 Albrecht : An Astronomer's Wife, A. Hall : Anciennes Meures, Mas- 

 cart, 493. 

 Index, 494. 



313 



