594 



INDEX. 



Caucasus, climate of, 123. 

 Cauchy's method, 3T. 

 Cavallero, 439. 

 Celestial photometry, 7. 

 Cellar-walls, repairing leaky, 42S. 

 Cement, a new, 510. 



for ovens, 509. 



of gelatin and bichromate of pot- 

 ash, 512. 

 Centennial, American woods at the, 355. 



living trees at the, 356. 

 Centipedes, 336. 



Cephalization in the development of ani- 

 mals, 27S. 

 Cephalosiphon, 345. 

 Cerium, atomic weight of, 201. 



metals, the, 201. 



salts for dyeing black, 491. 

 Chabas, 291. 



Chain for towing boats, submerged, 446. 

 "Challenger," work accomplished by the, 



40. 

 Chandou light, 415. 

 Change of texture in sandstone by heat, 



146. 

 Chapelas, 89. 

 Chapman, Dr. A. W., 355. 

 Charpentier, 327. 

 Chekanoflsky, 541. 

 Chemical action of solar rays, 193. 



balances, 135. 

 Chemistry and metallurgy, 193. 

 Chiloguathes, 337. 

 China, peculiar disease among dogs in, 



533. 

 Chittenden, G.B., 249. 

 Chloral and picrotoxiue, 529. 

 Cholera, Asiatic, 532. 



effects of, on the raucous mem- 

 brane, 53-2. 

 Chrome-alum, moditications of, 502. 

 iitilizatiDU of, 501. 

 -yellow poisonous, 53S. 

 Chromis paterfamilias, incubation of, 322. 

 Chronometer.*, accuracy of, 6. 

 Chrvsardhin, 526. 

 Ciaccio, G. V., 326. 

 Cicada, the seventeen-year, 326. 

 Cienkowsky, 2S0. 

 Cinchona plantations in British Sikhim, 



529. 

 Cincinnati catalogue of new double stars, 

 47. 

 hams, 538. 

 Ciutolesi,173, 



Circles divided on glass, 46. 

 Cirrus clnnds, direction of, 98. 

 Cissoid of Diodes, 1. 

 Clamond, 189. 



Clarifying a shellac solution, 499. 

 Clark^ Latimer, 190, 447. 

 Clarke, George, 399. 

 Classeyron, 487. 



Classification of double stars, 24. 

 Cleaning silver-ware, 424. 

 Clerk-Maxwell, Prof., 266. 

 Climate and trees in Sacramento Bay, 111. 



of the Caucasus, 123. 



preceding the glacial epoch, 110. 

 Climatic changes in Scotland, 116. 

 Clocks, mysterious, 412. 

 Cloez, 357. 



Close time for seals, 389. 

 Cloth of feathers, 422. 



Clouds and winds observed from balloons, 



112. 

 Clusters and nebulae, 15. 

 Coagulation of fluids, 285. 

 Coal, boring for, 225. 



gases inclosed in, 209. 

 in Dakota group, 248. 

 sections of, 226. 

 Coal-fields, extensive, 258. 

 -fields of Spain, 226. 

 -gas, hydrocarbons of, 214. 

 sulphur in, 418. 

 Coast Survey, latitude stars employed in, 



47. 

 Cobalt and nickel, magnetism of, 192. 

 Cobbold, Dr., 337. 

 Cochin China, capture of eels in, 403. 



diarrhoea, 535. 

 Cockroach, a fossil, 330. 



digestion in the, 32S. 

 Cockroaches jind earwigs, how they fold 



their wings, 327. 

 Codfish, utiUzing the offal of, 391. 

 Cod-liver oil and quinine, 529. 

 Cofi'ee, detecting adulterations in, 208. 

 Coggia's comet, spectrum of, 37. 

 Cohausen, 485. 

 Cohn, 126. 

 Cold, mechanical production of, 147. 



waves of air, origin of, 104. 

 Colding, 101. 

 Collett, John, 300. 

 Coloring matter in the murex shell, 333. 



of the eggs of birds, 304. 

 Colors of double stars, 17. 

 Combustion, influence of pressure on, 150. 

 Comet II., 1840, 30. 

 III., 1862, 35. 



VII., 1873, and comet I., 1818, iden- 

 tical, 57. 

 the periodic, of D'Arrest, 37. 

 Comets, calculation of the absolute per- 

 turbations of, 36. 

 Comil, 532. 



Compass, curious Japanese, 188. 

 deviation of the, 162. 

 in iron ships, deviation of the, 



163. 

 observatory of Cronstadt, 162. 

 Composition, anti-fouling, 435. 



of American wheat prod- 

 ucts, 375. 

 of coral, 226. 

 Comstock lode, 263. 

 Conduction of heat in gases, 183. 

 Conflagrations, extinguishment of, 464, 



465. 

 Connecticut agricultural station, 370. 



Fish Commissioners' Report, 



394. 

 River, salmon in, 409. 

 Conochilus volvox, 324. 

 Cooking meat by cold, 422. 



of leguminous vegetables, 426. 

 Coombs, Dr. S. W., 398. 

 Cooper, Dr., 111. 



Dr. J. G., 316. 

 Cope, Prof., 264, 276, 303, 304, 315, 316. 

 Copper-alloy adhering to glass, 512. 

 Coprinus radiatus, 362. 

 Copying apparatus, 4S7. 

 Copying-ink pencils, imitation of, 484. 



preparation for, 485. 

 -paper, photographic, 482. 



