INDEX TO VOLUME XXXI.* 



Academy, National, meeting at 



Washington, 465. 

 Adams L. H., melting points of 



metals, 301. 

 Alaska, Kenai flora, Holliok, 327. 

 Allegheny Observatory see OB- 

 SERVATORY. 

 Allen's Organic Analysis, 333. 

 Animal Study, Meier, 84. 

 Anthropological Society, German, 



582. 

 Arizona, Meteor Crater, physical 



notes, Magie, 335. 

 — Minerals of. Guild, 463. 

 Astronomical Society of America, 



publications, 580. 

 Atlas photographique des formes du 



relief terrestre, 334. 



B 



Bacteriology, Jordan, 340. 



Barrows, H. H., Elements of Geol- 

 ogy, 463. 



Barus, C, independence of coronas 

 of thickness of fog layer, 564. 



Barus, C. and M., plane grating for 

 spectrum measurements, 85. 



Baskerville, Qualitative Chemical 

 Analysis, 332. 



Bassler, R. A., stratigraphy of a 

 deep well at Waverly, Ohio, 19. 



Bauer, L. A., gravity determinations 

 at sea, 1. 



Bendrat, T. A., geology of Caicara, 

 Venezuela, 443. 



Berry, E. W., Engelhardtia from 

 American Eocene. 491. 



Biology, McFarland, 244. 



Blackwelder, E., Elements of Geol- 

 ogy, 463. 



Bologna, University of, fiftieth anni- 

 versary of Prof. Capellini, 582. 



BOTANY. 



Botanische Tropenreise, Haber- 



landt, 243. 

 Botany and Pharmacognosy, Krae- 



mer, 243. 

 Coconut palm in America, Cook, 



221. 

 Hvmeniales of Connecticut, White, 



84. 

 Mullugo verticillata, Holm, 525. 

 Plant Anatomy, Stevens, 243. 



Boynton, C. N., estimation of ba- 

 rium, 212. 



Bradley, W. M., solid solution in 

 minerals. 25. 



Branner, J. C, minerals associated 

 with diamonds in Bahia, Brazil, 

 480. 



Brazil, diamonds, etc., in Bahia, 

 Branner, 480. 



Brewer, William H., obituary no- 

 tice, Jenkins, 71. 



British Museum Catalogues, Lepi- 

 doptera Phalasnse, Hampson, 340. 



Brown, A. P., Mineral Tables, 82. 



Burling, L. D., photographing fos- 

 sils by reflected light, 99. 



Butler, B. S., thaumasite from Utah. 

 131. 



Calendar, reform of, Hesse, 154. 



Canada geol. survey, 574. 



Capillary tubes, method of calibrat- 

 ing, Merton, 457. 



Carnegie Foundation, fifth annual 

 report, 339 ; report on academic 

 efficiency, Cooke, 156. 



— Institution of Washington, Year- 

 Book, 244 : publications, 245. 



Cavendish Laboratory, 1871-1910, 

 232. 



Chemical Analysis, Qualitative, Bas- 

 kerville and Curtman, 332. 



— Constitution and Physical Proper- 

 ties, Smiles, 77. 



Chemistry, Applied, International 

 Congress, 582. 



— General, Stoddard, 454. 



CHEMISTRY. 



Argon, fractional crystallization, 

 Fischer and Froboese, 332. 



— preparation, Claude, 232. 



Barium, estimation, Gooch and 

 Boynton, 212. 



Boiling points, method for deter- 

 mining, Smith and Menzies, 146. 



Calcium carbide for determination 

 of moisture, Masson, 331. 



Cerium, separation by potassium 

 permanganate, Boberts, 350. 



Copper, determination as sulphate, 

 Kecoura, 146. 



Hydrocarbons, combustion, Bone, 

 231. 



/'This Index contains the general heads, Chemistry (incl. chem. physics) , Geology, 

 Minerals, Obituary. Rocks, Zoology, and under each the titles of Articles referring 

 thereto are mentioned. 



