Vlll CONTENTS. 



Number 78. 



Page 



Art. XXXV. — Fossil Faunas and their use in correlating 



Geological Formations ; by H. S. Williams 417 



XXXVI. — Studies of Eocene Mammalia in the Marsh Collec- 

 tion, Peabody Museum ; by J. L. Woktman. (With 

 Plates VII and VIII.) _. 433 



XXXVII. — Transmission of Sound through Solid Walls ; by 



F. L. Tufts . . _ _ _ _ 449 



XXXVIII.— New Gauge for the Measurement of Small 



Pressures; by E. W. Morley and C. F. Brush ._ 455 



XXXIX. — Hitherto Untried Form of Mounting, either Equa- 

 torial or Altazimuth, for a Telescope of exceptional size, 

 either refractor or reflector, in which Telescope, observ- 

 ing-floor and dome are combined in one ; by D. P. Todd 459 



XL. — Occurrence of Uranophane in Georgia ; by T. L. 



Watson . _■_ „ " 464 



XLI. — Internal Structure of Cliftonite ; by J. M. Davison . 467 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics — Heatless Condition of Matter, Brinkworth and Martin, 

 469. — Method for Assaying Pyrites, Buddeus: Germanium Hydride, Voegelen, 

 470. — Compounds of Beryllium with Organic Acids, Lacombe: Use of Floats in 

 Burettes, Kreitling: Beitrage zur Chemischen Physiologie und Pathologie, 

 F. Hofmeister: Velocity of Light, Michelson, 471. — Ultra- Violet of the 

 Mercury Spectrum, H. Lehmaxn and R. Straubel: New Peculiarity in the 

 Structure of the Cyanogen Bands, A. S. King: Stationary Electric Waves, K. 

 F. Lindman : Oscillatory Discharges, H. Andriessen : Meteorologische Optik, 

 J. M. Pernter, 472. — Instruments et Methodes de Mesures Electrique Indus- 

 trielles, H. Armagnat: Size of Nuclei, C. Barus, 473. 



Geology — Geological Survey of Canada, Summary Report of the Geological Sur- 

 vey department for the Calendar year 1901, R. Bell, 473. — Field Operations 

 of the Division of Soils, M. 'Whitney : Mineral Wealth of the Black Hills, 

 C. C. O'Harra : Corundum Twins, W. E. Hidden: Genesis of Ore Deposits, 

 474. — Coal in Michigan, its mode of occurrence and quality, A. C. Lane: 

 Adephagous and Clavicorn Coleoptera from the Tertiary Deposits at Florissant, 

 Colorado, S. H. Scudder: Aero thyra and Hyolithes— a Comparison; Hyolithes 

 gracilis and related forms from the Lower Cambrian of the St. John Group; 

 A backward step in Paleobotany, G. F. Matthew, 475. — Ostracoda of the 

 basal Cambrian rocks in Cape Breton, G. F. Matthew: Fossil Mammals of the 

 Tertiary of Northeastern Colorado, W. D. Matthew, 476. — Pleistocene Geology 

 of portions of Nassau County and Borough of Queens, J. B. Woodworth, 477. 



Botany — Recherches sur le developpement du tegument seminal et du pericarpe 

 des Graminees, P. Guerin, 478. — Alpine plants from Tibet and the Andes, W. 

 B. Hemslet and H. H. W. Pearson, 479. 



Miscellaneous Scientific Intelligence — Smithsonian Institution Publications : United 

 States Coast and Geodetic Survey. Annual Report 1900, 0. H. Tittman, 479. 

 — Elementary Calculus, P. F. Smith: Prize for Scientific Work by Women: 

 Fortschritte der Physik im Jahre 1902 ; Halbmonatliches Litteratur-verzeich- 

 niss, K. Scheel and R. Assmann, 480. 



Obituary — Henry Morton : M. Alfred Cornu : Dr. Alexander Bittner : M. 

 Henri Filhol, 480. 



