620 



INDEX. 



Cement from Slag, 410. 



from Soluble Glass, 533. 

 Hard, 407. 



Improved Glycerine, 534. 

 of Glycerine, 40-2. 

 of Iron-slag, 402. 

 Portland, 407. 

 Selenitic (Capt. Scott), 41S. 

 Sorel, 402. 

 Tenacious, 534. 

 Testing (Michele), 418. 

 to resist Sulphuric Acid, 534. 

 Cements, Coloring of, 533. 

 Central Africa, Discoveries in, 130. 

 Centrifugal Machine, 504. 

 Centropages, 209. 

 Cephalapoda, 224. 

 Cephalapsis iu America, 24S. 

 Ceratodus Forsteri, 261. 

 Cerium a Test for Strychnine, 72. 

 Cetaceans in Holland, Fossil, 1S9. 

 Chabrier, Mr.,341. 

 Champolliou, M., 179. 

 Chandler, Prof., 54S. 

 Change of Material in Adult Sheep, 340. 

 Charcoal, Absorbing Gas under Increased 

 Pressure, 67. 



Fumes, 562. 



its Absorbent Powers, 67. 

 of Albumen, 4S9. 

 Vegetable, 591. 

 Charleston, Mineral Phosphates near, 326. 

 Charlier, M., 314. 

 Chauveau, Mr., 562. 

 Chelmsford, Mass., 229. 

 Chevreuil, M., 473. 

 Chicago Academv, Destruction of, 009. 



Game Trade, 254. 

 Chick and Egg, Ratio in Size of, 192. 

 Chile, Meteorological Phenomena iu, 35. 

 Chile Saltpetre, Iodine from, 71. 

 Chilian Province, 153. 

 China, Maize in, 285. 

 Chinese Gold Lacker, 449. 



Water-proofing, 479. 

 Chironomus, 221, 209. 

 Chlamydotherium, 1S9. 

 Chloral Hydrate and Cod-liver Oil, 505. 

 Administering, 507. 

 for Reducing Metals, 52. 

 in Sea-sickness, 567. 

 Test for its Purity, 72. 

 Chloralum as Antiseptic, 569. 

 Chloride of Iron for reduction of Ores, 53. 

 Chloride of Lime and Petroleum, 469. 

 Chlorine into Melted Iron. 392. 

 Chloro-chromic Acid in Illumination, 511. 

 Chloromethyl, 566. 



Chlorophyl Grains, Movement of, 295. 

 Chlorops Lineata, 218. 

 Cholera, 584. 



Cholmeton, Mr. Alpheus, 584. 

 Christiansen, Mr., 46. 

 Christy, Mr., 183. 

 Chrome Alum, 70. 

 Chronology of American Lakes, 83. 

 ( hurch, Prof., 46, 78, 292, 526. 

 Cinchona Alkaloid, New, 75. 

 Calisaya, 281. 

 in Algiers, 282. 

 in Jamaica, 282, 310. 

 in Java, 2S1. 

 Civilization, Origin of, 104. 

 Clapardde, Prof., 225. 



Clarke, Mr. Hyde, 183. 

 Clay, Col., 391. 

 Clidastes Wymani, 200. 

 Climate, Change of, 168. 



Influence of Trees on, 25, 279. 



on Animal Economy, 167. 

 Clothes, Water-glass for Washing, 339. 

 Cloud, Poey's new Form of, 30. 

 Clouds, Formation of, 24. 

 Clouston, Dr., 30. 

 Clover-seed, Adulteration of, 316. 

 Coal-dust, Combustion of, 401. 

 Coal, Nature of, 2S6. 



Origin of, from Sea-weeds, 87. 

 Spontaneous Combustion prevent- 

 ed, 397. 



Weathering of, 399. 

 Coating with Metal, Fabrics, etc., 56. 

 Coating Zinc with Iron, 56. 

 Coccoliths, Vegetable, 229. 

 Cochineal, Adulteration of, 440. 

 Cockchafer, Destroying the Larvae of, 331. 

 Cockroach, Nail-nibbling, 222. 

 Cockroaches and Borax,~382. 

 Codfish, Blind, 212. 



Stones in the Stomach of, 213. 



Tame, 212. 

 Cod-fisheries of Alaska, 259. 

 Cod-liver Oil and Chloral Hydrate, 565. 



Destroying the Taste of, 556. 

 made into Butter, 559. 

 Coffee, Physiological Effects of, 549. 



Roasted, and Cod Liver Oil, 550. 

 Coffee-plaut, New Disease of, 2S7. 

 Coffin, Prof.. 30. 

 Cohn, Dr., 223, 2C7. 

 Coignet, M., 401. 



Cold in the Head, Remedy for, 559, 5SS. 

 on Iron aud Steel, 394. 

 on Mt. Washington, 32. 

 Coleus Verschaffelti, 70. 

 Collingwood, Dr., 115. 

 Collodion for copying Pictures, 497. 

 Coloring Artificial Flowers, 517. 



Matters, New, 438. 

 Colors, Poisonous, 565. 

 Columbian Region, 151. 

 Comets, Nature of, 15. 



Prize for Telescopic, 14. 



Spectrum of Encke's, 17. 

 Commissioner of Fisheries, 005. 

 Compass-plant, 2S5. 

 Compost of Sand, 325. 

 Comstock, Gen., 141. 

 Concrete for Building, 401. 

 Condensation of watery Vapor, Direct, 25. 

 Coniin, Synthesis of, 73. 

 Connecticut Fish Commissioners, Report 



of, 349. 

 Conrady, Mr. C.,437. 

 Cooling Liquids without Ice, 513. 

 Cooper, Sir Astlev, 173. 

 Cope, Prof., 133, 203, 247, 24S, 249, 252. 

 Copepods, 226. 



Copernicus,Celebration of the 400th Birth- 

 day of, 60S. 

 Copper Articles, Bronzing, 446. 

 Black Color for, 440. 

 from refuse Pvrites, 55. 

 Vitriol, 293. 

 Copying Drawings, simple Method of, 499. 



Pictures, 497. 



Rock Inscriptions, 239. 

 Cord, Curtain, Tightening of. 3S4. 



