CONTENTS. Vll 



Number 23. 



Page 



Art. XXXVII. — Geology of Southern Patagonia : by J. B. 



Hatcher _ 327 



XXXVIII. — Some of the large Oysters of Patagonia ; by 



A. E. Ortmann. (With Plate XI.) 355 



XXXIX. — Former Extension of the Appalachians across 



Mississippi, Louisiana, and Texas; by J. C. Branner.. 357 



XL. — Combustion of Organic Substances in the Wet Way ; 



byl.K. Phelps .- 372 



XLI. — Some Features of Pre-Glacial Drainage in Michigan ; 



by E. H. Mudge . . 383 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics —Verification of Dalton's law for Solutions, Wildermann, 

 387. — Spectrum of Silicon, A. de Gramont: Spark Spectrum of Cyanogen, 

 Hartley. 388. — Electrolytic Solution and Deposition of Carbon, Coehn. 389. — 

 Conversion of Nitrites into Cyanides, Kerp : Physics, Student's Manual for the 

 Study Room and Laboratory, Cooley: Action at a distance, P. Drude, 390. — 

 Electrical tension at the poles of an induction apparatus, A. Oberbeck: Inves- 

 tigation of the Lenard Rays, Th. des Coudres: Behavior of rarified gases in 

 approximately closed metallic receptacles in a high frequency field, H. Ebert 

 and E. Wiedemann: Cathode Rays, J. J. Thomson, 391. — Effect of Pressure 

 on Wave Length, W. J. Humphreys, 392. 



Geology and Natural History — Recent publications of the U. S. Geological Survey, 

 392. — Alabama, Geological Survey, 393 — Canada, Geological Survey: Indiana, 

 21st Annual Report of Department of Geology aud Natural Resources, 1896: 

 Fossil Insects of the Cordaites shales of St. John, N. B., G. A. Matthew, 394. 

 — Cape of Good Hope, 1st Annual Report of the Geological Commission, 1896: 

 Glacial observations in the Umanak district, Greenland, G. H. Barton : Les 

 Variations de longueur des Glaciers dans les Regions arctiques et boreales, 

 C. Rabot, 395. — Esquisses Selenogiques, W. Prinz, 396. — Experimental 

 Morphology, C. B. Davenport, 391. 



Miscellaneous Scientific Intelligence —Geological Lectures of Harvard University, 

 Hans Reusch, 397. — Calculus for Engineers, J. Perry: Ostwald's Klassiker 

 der Exakten Wissenschaften, 398. 



Obituary — Victor Meyer, 398. 



