CONTENTS 



Page 



Art. I. — Thermodynamic Relations of Hydrated Glass; by 



C. Barus 1 



II. — Platinum and Iridium in Meteoric Iron ; by J. M. 



Davison . , 4 



III. — Studies in the Cyperacese ; by T. Holm 5 



IV. — Regnault's Calorie and our Knowledge of the Specific 



Volumes of Steam ; by G. P. Starkweather 13 



V. — Estimation of Boric Acid ; by F. A. Gooch and L. C. 



Jones 34 



VI. — Descriptions of imperfectly known and new Actinians, 



with critical notes on other species, II.; by A. E. Ver- 



RILL . _ 41 



VII. — Mineralogical Notes ; by W. F. Hillebrand _ 51 



VIIL— What is the Loess? by F. W. Sardeson._. 58 



IX. — Absorption of Gases in a High Vacuum; by C. C. 



Hutchins _ _ 61 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics — Extraction of Nickel by the Mond Process, Robeets- 

 Austen: iEtherion, Ceookes, 64. — Preparation of Graphitic Acid. Stauden- 

 maiee: Compounds of Lithium and Calcium with Ammonium, Moissan, 65. — 

 Spectra of Iodine, Konen: Manual of Chemical Analysis, Qualitative and 

 Quantitative, G. S. Newth: Stratified Brush Discharges in Atmospheric Air, 

 Toepler, 61.— Spectrum of Lightning: Dispersion in the Electrical Spectrum, 

 E. Marx: Traite Elementaire de Mechanique Chimique fondee sur la Thermo- 

 dynamique, P. Duhem, 68. — Prismatic and Diffraction Spectra; Memoirs of 

 Joseph von Fraunhofer, 69. 



Geology and Mineralogy— Maryland Geological Survey, 69. — Lower Cretaceous 

 Gryphseas of the Texas Region, R. T. Hill and T. W. Vaughas: Bibliographic 

 Index of North American Carboniferous Invertebrates, S. Weller, 70. — Con- 

 tributions to the Tertiary Fauna of Florida, W. H. Dall: Contributions to 

 Canadian Paleontology, J. F. Whiteayes: Geological Survey of Canada: Re- 

 port on the Doobaunt, Kazan and Ferguson Rivers and the Northwest Coast of 

 Hudson Bay, J. B. Tyrbell, 71. — Rivers of North America, a reading lesson 

 for students of geography and geology, I. C. Russell: Earth Sculpture or the 

 origin of land forms, J. Geikie, 72. — Elemente der Gesteinslehre, H. Rosen- 

 busch, 73. — Educational Series of Rock Specimens collected and distributed by 

 the U. S. Geological Survey, J. S Diller : Mechanical Composition of Wind 

 Deposits, J. A. Udden, 74. — Brief notices of some recently described Minerals, 

 75. 



Botany and Zoology — Poisonous effect exerted on living plants by Phenols, R. H. 

 Teue. — Peculiar mode of formation of pollen-grains in Magnolias, Guignabd : 

 Elements de -Botanique, P. Van Tieghem, 77. — Sketch of the Evolution of our 

 Native Fruits, L. H. Bailey: Bush-Fruits, F. W. Cabd: Metamorphosis of 

 Asterias pallida with special reference to the fate of the Body Cavities, S. Goto, 

 7 8. —Zoological Results based on material from New Britain, New Guinea, 

 Loyalty Islands, and elsewhere, collected during 1895-97, A. Willey: Account 

 of the Crustacea of Norway, with figures of all the species, G. 0. Saes: Mol- 

 lusca of the Chicago Area: The Pelecypoda, F. C. Bakee: Catalogus Mamma- 

 lium tarn viventium quam fossilium, E.-L. Tbouessart: Fishes of North and 

 Middle America, D. S. Joedan and B. W. Evermann, 79. 



Miscellaneous Scientific Intelligence — Institute of France: Annual Report of the 

 Board of Regents of the Smithsonian Institution : Ursprung der Af rikanischen 

 Kultur, L. FrobeniuS: Organic Evolution Considered, Faiehuest, 80. 



