INDEX TO VOLUME XLVIII. 



Academy of Sciences, National, meeting 

 at New Haven, 513. 



Adams, F. D., nepheline syenite in On- 

 tario, 10. 



Alternating currents, resonance analysis, 

 Pupin, 379, 473. 



Alum crystals, anomalies in the growth, 

 Miers, 350. 



Arsenic acid, Gooch and Phelps, 216. 



Association, American, Brooklyn meet- 

 ■ ing, 352. 



British, Oxford meeting, 351. 



Astronomical spectroscopy, translation, 

 Frost. 25?. 



Atmosphere, new gaseous constituent, 

 Rayleigh, 345. 



B 



Ballard, H. 0., fossil shells in the drum- 



lins of the Boston Basin, 486. 

 Barker, G. P., chemical abstracts, 65. 



257, 345, 421, 503. 

 Barton, G. H., channels on drumlins, 



349. 

 Barus, C, spiral goniometry, 1 ; status 



of high temperature research, 332 ; 



telephonic measurement of electromo- 

 tive force, 346 ; chronograph pendu- 

 lum, 396 ; colloidal silver, 451. 

 Becker, G. P., astronomical conditions 



favorable to glaciation, 95. 

 Bigelow, P. H., inversions of tempera- 

 tures in solar magnetic period, 435. 

 Bismuth, resistance in strong magnetic 



fields, Henderson, 427. 

 Bitumens, origin, Peckham, 389. 

 Bonney, T. G., Story of our Planet, 430. 

 Botany — 



Atmosphere, constitution, Phipson, 

 431. 



Plora of Mt. Desert, Rand and Red- 

 field, 431. 



Grafting, Daniel, 512. 



India, vegetable resources, Watts, 511. 



Inflorescence in descriptive, Hy, 513. 



Lichens found in Britain, Crombie, 77. 



Muscineae, respiration, Jonsson, 431. 



Sowerby's models of British Fungi 

 in the British Museum, 76. 



Terebinthaceae, Jadin, 513. 



* This Index contains the general heads. Botany, Chemistry, Geology, Minerals, 

 Obituaby, Kocks, and under each the titles ot Articles referring thereto are mentioned. 



California bitumen, nitrogen content, 



Peckham, 250. 

 Call, R. B., distribution of North Ameri- 

 can Viviparidse, 132. 

 Campbell, G. P., caesium-cobalt and 



caesium-nickel, etc., 418. 

 Campbell, M. R, Tertiary changes in 



the drainage of Virginia, 21. 

 Carnegie, D., Law and Theory in Chem- 

 istry, 257. 

 Chemical analysis, Crookes, 425. 

 Chemistry, lawandtheory, Carnegie, 257. 

 Chemistry — 



Alkaline perchlorates, detection, 



Gooch and Kreider, 38. 

 Analytical, Ostwald, 345. 

 Antimony and bismuth alloys, thermo- 

 electric heights, Hutchins, 226. 

 Arsenic in copper, estimation of mi- 

 nute quantities, Gooch and Mose- 

 ley, 292. 

 Calcium, barium and strontium, car- 

 bides, Moissan, 506. 

 Carbon boride, Moissan, 505. 

 Caesium-cobalt and cassium-nickel, etc., 



Campbell, 418. 

 Caesium, rubidium, etc., double chlo- 

 rides and bromides, Walden, 283. 

 Chemical change, influence of mois- 

 ture, Baker, 422. 

 Chloride of mercury batteries, Pitch, 



434. 

 Chlorine, Gooch and Kreider, 166. 

 Chromium, separation from iron and 



aluminium, Riggs, 409. 

 Copper crystals in " aventurine glass," 



Washington, 411. 

 Cyanogen, structure of the flame, 



Smithells and Dent, 424. 

 Diamond, production artificially, 



Moissan, 68. 

 Electrolysis by alternating currents, 

 Hopkinson, Wilson, and Lydall, 66. 

 Elementary manual, Storer, 425. 

 Ferrous iron in silicates, Pratt, 149. 

 Free fluorine produced by chemical 



means, Brauner, 423. 

 Hydrogen peroxide in the atmo- 

 sphere, Bach, 67. 

 International congress of applied, SO. 



