IV CONTEXTS. 



Number 278. 



Page 



Akt. VII. — Chemical Composition of Staurolite, and the 

 regular arrangement of its Carbonaceous Inclusions ; by 

 S. L. Penfield and J. H. Pb att . 81 



VIII. — Carboniferous Insects of Commentry, France; bv 



S. H. Scudder .. " 90 



IX. — Csesium-Cupric Chlorides ; by H. L. Wells and L. C. 



Dupee 91 



X. — Cresium-Cupric Bromides ; by H. L. Wells and P. T. 



Walden 94 



XL — Csesiurn-Cupric Chlorides ; by H. L. Wells 96 



XII. — Harrisburg Terraces ; by H. B. Bashore 98 



XIII. — Additional Species of Pleistocene Fossils from Win- 



throp, Mass.; by K, E. Dodge 100 



XIV. — Amount of Glacial Erosion in the Finger-Lake 



Region of Xew York ; by D. F. Lincoln __' 105 



XV. — Basalts of Kula ; by H. S. Washington 114 



XVI. — Fishing Banks between Cape Cod and Newfound- 

 land ; by W. Upham 123 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics — Fusing points of Inorganic Salts, Y. Meyer and Rid- 

 dle: Manocryometer. De Visser, 130. — Fusion and Volatilization of Metals 

 and Oxides in the Electric Arc, Moissax, 131. — Modification of Thomson's 

 quadrant electrometer, F. Himstedt: Coating aluminium with other with other 

 metals, Neesex, 133. — Modifications of Silver. H. Ludke: Vorlesungen uber 

 Maxwell's Theorie der Elektricitat und des Lichtes, L. Boltzmaxn: Errata, 

 Prof. Mayer's article, 134. 



Geology and Mineralogy — Geological Society of America, 135. — Le Tormaline 

 del Granito Elbano, G. D'Achiardi : Anleitung zur Krystallberechnung, Dr. B. 

 Hecht : Cours de Mineralogie professe a la Faculte des Sciences de Paris, C. 

 Friedel, 145. — Recherches Miueralogiques, Edition Posthume, M. Tolstopia- 

 tow: Large unio-like shell from the Coal measures: Cretaceous in Northern 

 Minnesota: Evidences of a Submergence of Western Europe, J. Prestwich: 

 Canadian Ice Age, J. W. Dawson, 146. — Bulletin of the Dept. of Geology, Uni- 

 versity of California: Geological Survey of Missouri: Geikie's Fragments of 

 Earth Lore, 147. — Economic Geology of the United States, R. S. Tarr, 151. 



Astronomy and Seismology — Force that acts on ^he meteoroids after they have 

 left the comets, H. A. Newton, 152 — Photographs of Aug. and Dec. meteors, 

 Dr. Elkin, 154. — Annual and Semi-annual Seismic Periods, C. Davisox, 155. 



Miscellaneous Scientific Intelligence — Laws of organic growth. Bioplastology 

 and the related branches Biologic research. A. Hyatt, 157. — Bibliography of 

 Vertebrate Embryology, C. S. Mixot : Theory of Development and Heredity, 

 H. B. Orr : Bulletin from the Laboratories of Natural History of the State 

 University of Iowa : Horns and Hoofs, or Chapters on Hoofed Animals, R. 

 Lydekker, 158. — Native Birds of song and beauty, H. Nehrlixg: Emules de 

 Darwin, A. de Quatrefages: Bibliotheca Zoologica II : Mechanics of Hoisting 

 Machinery. Wiesbach and Hermann, 159. — Elementary Treatise on Fourier's 

 Series and Spherical, Cylindrical and Ellipsoidal Harmonies, W. E. Byerly. 1 60. 



Obituary — Rvdolf Wolf: Paul Fischer: D. A. Braunns: Arthur Milnes 

 Marshall: Pierre T. Van Bexedex: Jeax Vilanoya y Piera, 160. 



