vi contents. 



NuihImt 244. 



Page 



Art. XIX. — A Universal Switch for Thermoelement Work 



and Other Potential Measurements; by W. P. Whitjc.. 307 



XX. — The Edgewood Limestone of Pike County, Missouri ; 



by R. R. Rowley . 31V 



XXI. — Description of Large Cylinders of Scoriaceous Dia- 

 base in the Normal Ilolyoke Diabase; by B. K. Emerson 321 



XXII. — The Charnockite Series of Igneous Rocks; by H. S. 



Washington 323 



XXIII. — The Determination of Vanadium by Cupferron, 



C r H 6 N(ONH 4 ).NO; by W. A. Turner. . 339 



XXIV. — Description of a New Genus and Species of Fossil 



Crab from Port Townsend, Wash. ; by Mary J. Rathbun 344 



XXV. — Xote on a Palseoniscid Fish from a Permian Forma- 

 tion in South Dakota; by L. Hussakof 347 



XXVI. — On a Gallium-Indium Alloy; by P. E. Browning 



and H. S. Uhler . . 351 



XXVII. — Studies of Brazilian Favas ; by O. C. Fareington 355 



Arthur Williams Wright, 1836-1915 361 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics — Becovery of Gallium from Spelter in the United 

 States. W. F. Hillebrand and J. A. Scherrer: Proposed Method for the 

 Profitable Utilization of Waste Sulphite Liquor, H. V. Tartar, 367. — 

 Organic Chemistry, P. E. Spielmann : Catalysis and its Industrial Appli- 

 cations, E. Joblin : An Introduction to the Physics and Chemistry of 

 Colloids, E. Hatschek, 368. —Historical Introduction to Mathematical 

 Literature, G. A. Miller: The Universe and the Atom, M. Erwin, 369. 



Geology and Mineralogy — IhiTty-sixth Annual Report of the Director of the 

 United States Geological Survey, G. O. Smith: Publications of the United 

 States Geological Survey, G. 0. Smith. 371. — West Virginia Geological 

 Survey, I. C. White: Geology and Underground Waters of the Northern 

 Llano Estacado, C. L. Baker, 373. — Geography of the Fox- Winnebago 

 Valley, R. H. Whitbeck: Geology and Mineral Resources of Jefferson Co., 

 Ky. , C. Butts, 374. — Fauna of the Morrow Group of Arkansas and Okla- 

 homa, K. F. Mather: Mississippi, its Geology, Geography, Soils and 

 Mineral Resources, E. N. Lowe: The Fauna of the Upper Devonian in 

 Montana, Part 2, W. P. Haynes: Origin of the Zinc and Lead Deposits of 

 the Joplin Region, C. E. Siebenthal, 375. —Meteorites ; their structure, 

 etc., 0. C. Farrington, 376: The Data of Geochemistry, F.W.Clarke, 

 376. — Guida al Corso di Mineralogia; Mineralogia Generale, G. d'AchiardI: 

 School of Mines and Metallurgy, U. of Mo. Bulletin, J. Cunningham, 377. 



Miscellaneous Scientific Intelligence — Year Book, Carnegie Institution of 

 Washington. R. S. Woodward. 377. — Report on progress and condition of 

 the U. S. National Museum, R. Rathbun, 378. — Report of the Librarian, 

 Library of Congress. H. Putnam: The John Crerar Library. Clement W. 

 Andrews: Modes of Research in Genetics, R. Pearl. 379. — Scientific and 

 Applied Pharmacognosy, H. Kraemer: Methods in Plant Histology, C. J. 

 Chamberlain. 380. — Laboratory Manual of Horticulture, G. W. Hood : 

 Bacteriological Methods in Food and Drugs Laboratories, A. Schneider: 

 Publications of the Astronomical and Astrophysical Society of America : 

 Wyoming Historical and Geological Society, 381. 



Obititarii—C. R. Markham : W. Turner : C. W. Hayes: I. P. Pavlov: 

 P. Chappuis, 382. 



