644 



INDEX. 



CHEMISTRY— continued. 



Carbon determination by combus- 

 tion, Hilpert, 637. 



Copper, determination, Boyer, 97. 



Diamond and graphite, beat of 

 combustion, 638. 



Elements, transmutation of, Ram- 

 say, etc., 451. 



Hydrolysis of alkyl metallic sul- 

 phates, Linhart, 283. 



— of esters of aliphatic acids, Dean, 

 486, 605. 



Ionium, spectrum of, Eussell and 

 Rossi, 323. 



Manganese in animals, Bertrand 

 and. Medigreceanu, 321. 



Mercuric chloride, rate of reduc- 

 tion, Linhart, 353. 



Nitric oxide, determination, Bau- 

 disch and Klinger, 190. 



Nitrogen, active form of, Strutt, 

 452. 



Nitroglycerine, behavior when 

 heated, Snelling and Storm, 322. 



Osmium tetroxide as oxygen car- 

 rier, Hofmann, 189. 



Phosphorus, luminosity of, Twiss, 

 322. 



— vapor, dissociation, Stock and 

 Gibson, 97. 



Potassium ferricyanide, Hauser 



and Biesalski, 189. 

 Radio-elements and the periodic 



law, Soddy, 538. 

 Selenic acid, use as reagent, Gooch 

 and Blumenthal, 54 ; Blumenthal, 

 93. 

 Silicates, decomposition, Hempel, 



321. 

 Titanium, new colorimetric, Len- 

 her and Crawford, 637. 

 Chile, Atlas of, 559. 

 Clarke, J. M., Eurypterida of New 



York, 458. 

 Colour Vision, Abney, 456. 

 Congress, Library of, Annual Re- 

 port, 201. 

 Coral reefs, Darwin's theory of, 173, 



334. 

 Crocker Land Expedition, 554. 

 Crookes dark space, Aston, 100. 

 Crystal Forms, Atlas, Goldschmidt, 

 553. 



Dana's confirmation of Darwin's the- 

 ory of coral reefs, Davis, 173, 334. 



Danysz, J., electric charges of a- and 

 p- rays, 295. 



Davis, W. M., Dana's confirmation 

 of Darwin's theory of coral reefs, 

 173, 334 ; Beschreibung der Land- 

 formen, 551. 



Dean, E. W., hydrolysis of esters of 



aliphatic acids, 486, 605. 

 Deperet, C, Oligocene of theRoanne 



Basin, 350. 

 Diatoms, cleaning of, Blake, 19. 

 Dispersion of metals, Wheeler, 491. 

 j Drude, P., Optics, 193. 

 I Drushel, W. A., hydrolysis of esters 



of aliphatic acids, 486. 

 i Duane, W., effect of magnetic field 

 on ionization currents, J121 ; elec- 

 tric charges of a- and (3- rays, 295. 

 i Duckworth, W. L. H., Prehistoric 

 Man, 110. 



Eastman, C. R., Deperet on Roanne 



Oligocene, 350. 

 Earth, Making of, Gregory, 197. 



! — movements in Eastern America, 

 Spencer, 561. 



! Earth's atmosphere, radiation in, 

 Bigelow, 254 ; Very, 369. 



i East Africa, Dinosaurs, Schuchert, 

 34. 



\ Electric carbon arc, La Rosa, 542. 



j — discharge between concentric cyl- 

 inders at low pressures, Aston, 99. 



j — Lamp Association, Laboratory bul- 

 letin, 326. 



— Lighting, Franklin, 193. 



— Resistance. Northrup, 545. 

 Electricity, Kapp, 544. 



— and Magnetism, Hough and Boehm, 

 545 ; Starling, 192. 



| Elektrotechnik, Busch, 547. 

 ! Environment, Fitness of, Hender- 

 son, 543. 



Farwell, H. W., apparatus for lab- 

 oratory experiments, 535. 



Fatty Foods, Bolton and Revis, 468. 



Feldspars, plagioclase, melting phe- 

 nomena, Bowen, 577. 



Ford, W. E., hetserolite from Colo- 

 rado, 600. 



Franklin, W. S., Electric Lighting, 

 193. 



Gamma-rays, excitation, Chadwick, 



323. 

 Gas molecules, mean free path, 



Franck and Hertz, 324. 

 Gems and Precious Stones of the 



United States, 198. 

 Genetics, Walter, 467. 

 Geographical Excursion of 1912, 



554. 



