INDEX* TO VOLUME XXXI. 



Academy, National, 481. 



Agassiz. sea-bottom deposits off K. N. 



America, 221. 

 Air, separation of liquefied, 148. 

 Ardissone, F., Phvcologia Mediterranea, 



479. 

 Arthur, T. C. Plant Dissection, 477. 

 Ashburner, C. A., Pennsylvania Geology, 



227, 228 ; Geology of Natural Gas, 309; 



Oil regions, 48u. 

 Asteroids, see Planets. 

 Astronomical Society medals, 408. 



B 



Baillon, Dictionnaire de Botanique and 



Histoire des Plantes, 315. 

 Ball, J., Flora of Peruvian Andes, 231. 

 Barker, G. F, chemical and physical 

 abstracts, 57, 148, 216. 308, 389, 486. 

 Battery, galvanic, see Electrostatic. 

 Barns, C, properties of iron carburets, 

 67 ; structure of tempered steel, 386; 

 strain- effect of sudden cooling on 

 glass and steel, 439. 

 Becker, G. F., theorem of maximum dis- 

 sipativity, 115; new law of thermo- 

 chemistry, 120; Cretaceous metamor- 

 phic rocks of California, 348. 

 Bell, L., ultra-violet spectrum of cad- 

 mium, 426. 

 Binney, W G., Land Shells, 157. 

 Blakesley, T. EL. Alternating currents 



of Electricity, 154 

 Blake, W. P., meteorite from Tennessee, 



41 ; Gold in nature, 477. 

 Botanische Zeitung, 406. 

 Botanical necrology, 12, 302, 316. 

 Botanical Works Noticed — 



Botany of Rocky Mountain region, 

 Coulter, 76; Botany of Japan, 478; 

 Dictionnaire des Plantes. Baillon, 

 315; Drugs, etc., Lloyd, 313; Ery- 

 thrasas exsiccatae, Wittrock, 237 

 Flora Brasiliensis, Eichler, 158 

 Handbook of Plant Dissection, 477 

 Histoire des Plantes, Baillon, 315 

 Histoire des Var. et Especes de 

 Vignes, etc., Millardet, 158; Leer- 

 back, De Vries, 314; Phycologia 

 Mediterranea, 479; Synoptical Flora 

 of N. America, Gray, 238. 



Botany — 



American Desmidieas, 478; Andean 

 Flora, Ball, 231 ; Curtis's Botanical 

 work, 159; France, plants natural- 

 ized in, 315; Hepaticse Arnazonicse, 

 etc., Spruce, 238 ; Leaves, Junca- 

 ceas, Buchenau, 237; nomenclature 

 of fossil, Nathorst, 236; Notarisia, 

 479; Plasmolytic studies, 157; 

 Tendril movements, Penhallow, 46,. 

 100, 178; Tentacles of Drosera, 

 De Vries, 406; Thalictrum, Lecoyer, 

 235. See further under Geology. 



Bron<jniart, C, Fossil Insects, 156. 



Buchenau, F.. European .Tuneaceas, 237. 



Butler, A. A., Tripyramid slides, 404. 



Butler, A. P., South Carolina, 73. 



California, Report of State Mineralogist,. 



76. 

 Campbell, J. L., and H. D., on Rogers's 



Geology of the Virginias, 193. 

 Carhart, H. S., direct and counter elec- 

 tromotive forces, 95 ; surface transmis- 

 sion of electrical discharges, 256. 

 Carus, J. V., Faunse Mediterranean, 238. 

 Chemistry — 

 Bacterium aceti, chemical action of,472; 

 Carbon monoxide and water vapor, 

 action of, 151; Carbon monoxide, 

 combustion of, 392; Chlorine monox- 

 ide, 57 ; Cocaine and its homologues, 

 synthesis of, 153; Conine, synthesis 

 of, 47 1 ; Germanium, new element, 

 308 ; Hydrocarbons of marsh-gas 

 series, physical properties of, 47 1 ; 

 Hydrogen, combustion of, 392 ; 

 Lupaniue, 58 ; Magnesium carbon- 

 ate, new, 57 ; Mercury, vapor pres- 

 sure of, 218; volatility of, 308; 

 Nitrogen, atmospheric, fixation of 

 by soils, 391; Nitrogen dioxide, 

 preparing, 151 ; Nitryl chloride, 

 existence of, 469 ; Oxygen, continu- 

 ous production of, 391 ; Phenol con- 

 stituents of blast furnace tar, 220; 

 Raffinose in barley, 220; Sodium 

 carbonate, conversion into hydrate 

 by lime, 219 ; Sulphur, volatility of, 

 308 ; Vanadium, determination of r 

 471 ; Zirconium, new oxide of, 470. 



* This Index contains the general heads Botany. Chemistky, Geology, Minerals, Obit- 

 tjaby, Rocks, Zoology, and under each the titles of articles referring thereto are mentioned. 



