CON T K N TS. 



Page 



Am - . XLTIT. — Buried Wall at Cuzco and its Relation to the 

 Question of a pre-Inca Race (Yale Peruvian Expedition, 

 1911) ; by I. Bowman 491 



XLIV. — Kragerite, a Rutile-bearing Rock from Krageroe, 



Norwa y ; by T. L. Watson 509 



XLV. — Thermodynamics of the Earth's Nonadiabatie 



Atmosphere; by F. H. Bigelow 515 



XLVI. — Note on Atmospheric Radiation ; by F. W. Very 533 



XL VII.— Hydrolysis of Alkyl Metallic Sulphates ; by Gr. A. 



LlNHART 539 



XL VIII. — Early Man in America ; by A. Hrdlicka 543 



XLIX. — Constitution of Some Salic Silicates ; by IT. S. 



Washington . . 555 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics — Preparation of Perchloric Acid, H. H. Willaed; 

 Centenary Celebration of the First Commercial Gas Company : The 

 Analyst's Laboratory Companion, A. E. Johnson, 572. — A College Text- 

 Book on Quantitative Analysis, H. E. Moody : Per-acids and their Salts, 

 T. S. Price : Lehrbuch der Chemischen Technologie und Metallurgie, 

 B. Neumann, 573. — Raumliche Intensitatsverteilung der X-Strahlen, die 

 von einer Platinantikathode ausgehen, W. Friediuch, 574. — Experimen- 

 ted Bestimmung des Verbal tnisses der spezifischen Warinen c p /c v bei 

 Kalium und Natriumdampfen und daraus sich ergebende Schlussfolge- 

 rungen, M. Robitzch, 575. — Untersuchungen fiber magnetische Zerlegung 

 feiner Spektrallinien im Vakuumlichtbogen, Ch. Wali-Mohammad : 

 Absorption Spectrum of Tellurium Vapor and the Effect of High Tem- 

 perature upon it, E. J. Evans, 576. 



Oeology — New York Potsdam-Hoyt Fauna and Group Terms for the Lower 

 and Upper Cambrian Series of Formations. C. D. Walcott, 578. — Volcanic 

 vortex rings and the direct conversion of lava into ash, F. A. Perret, 579. 



Miscellaneous Scientific Intelligence — National Academy of Sciences, 579. 



Obituary — J. W. Mallet, 579. 



Index to Volume XXXIV, 580. 



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