INDEX TO VOLUME XUIL* 



Abbe, C, atmospheric radiation of heat, 

 364. 



Aberration, Rayleigh, 432. 



Absorption by alum, Hutchins, 526. 



Academy of Sciences, National, Wash- 

 ington meeting, 441. 



Adams, F. D., melilite rock from Canada, 

 269. 



Ami, H. M., geology of Quebec City, 75. 



Andes, appendix to travels amongst, 

 Whymper, 436. 



Arkansas, igneous rocks of, Williams, 

 159. 



Astronomical expeditions to Peru, 240. 

 handbook, 1892, 242. 



Astronomy and Astro-Physics, 166. 



Atmospheric radiation, Hutchins, 357 ; 

 Abbe, 364. 



Ayres, E. F., plattnerite, 407. 



B 



Barker, G. F., chemical abstracts, 68, 149, 

 331, 429, 531; Elementary Chemistry, 

 153. 



Barus, C, relation of melting point to 

 fusion, 56. 



Bauer, L. A., Wilde's explication of ter- 

 restrial magnetism; 496. 



Bayley, W. S., fulgurite from Maine, 

 327; fibrous intergrowth of augite 

 and plagioclase, 515. 



Beaches of L. Erie, Leverett, 281. 



Beecher, C. E., Upper Silurian strata 

 near Penobscot Bay, Me., 412. 



Bibliography by the international con- 

 gress of geologists, 71. 



Blanford, W. T., fauna of British India, 

 Mammalia. Pt. II, 338. 



Bolometer, surface, Kurlbaum. 239. 



Boltzmann, Maxwell's Theorie der Elek- 

 tricitat und Lichtes, 536. 



Boston Society of Nat. History, prizes 

 given by, 541. 



Botanical society, Italian, 437. 



Botany, Fossil, Solm-Laubach, 537. 



Botany — 



Anatomy of plants, comparative, 



Chatin, 161. 

 Bennettites Gibsonianus, fructifica- 

 tion, Solms-Laubach, 337. 



1 Botany — 



Chlorophyll in leaves, Etard, 436. 



Dienaturlicheu Pflanzen-familien, Nos. 

 68, 69, Engler and Prantl, 162. 



Germination of seeds, effect of poison 

 on, Cornevin, 161. 



Leaf-removal from grape vines, effect, 

 Muntz, 437. 



Ovule and embryo- sac in Vin cetoxicum , 

 Chauveaud, 436. 



Root-grafting, Daniel, 162. 



Species common to Europe and Amer- 

 ica, Blanchard, 1 61 . 



Urnbelliferas, assimilation in, de Lam- 

 arliere, 160. 



See also Geology. 

 Browning, P. E., separation of barium 



from calcium, 314 ; of strontium from 



calcium, 50, 386. 



Canada, geol. survey, 77. 

 Chemical Technology, Wagner. 535. 



Theory, Introduction to, Scott, 152. 

 Chemical Works: 



Armstrong and Norton, 535. 



Barker, 153. 



Mendeleeff, 533. 



Smith and Keller, 153. 

 Chemistry — 



Barium, separation from calcium, 

 Browning, 314; determination in 

 presence of calcium and magne- 

 sium, Mar, 521. 



Caesium, properties, Beketoff, 431; 

 trihalides, Wells and Penfield, 17. 



Carbonyl sulphide, Nuricsan, 431. 



Chlorine, expansion, Richardson, 430. 



Dextrine and gum arabic, molecular 

 masses, Linebarger, 426. 



Fluorine, physical properties, Moissan, 

 149, 429. 



Gravi- volumeter, Japp, 149. 



Hydrosulphides, metallic, Binder and 

 Picton, 332. 



Hydrogen, occlusion by lead, New- 

 mann and Streintz, 533. 



Hydroxylamine, free, de Bruyn, 151. 



Iron, manganese and calcium, separa- 

 tion, Riggs, 135. 



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

 Obittjaky, Rocks, and under each the titles of Articles referring thereto are mentioned. 



Am. Jour. Sci.— Third Series, Vol. XLIII, No. 258.— June, 1892. 



