ALPHABETICAL INDEX. 



Abbe, 5, 98, 101,10s. 



on the microscope, 265. 

 Abel, Prof., 463. 

 Abercrombie, Hon. Ralph, 111. 

 Aberration of light, S. 

 Acanthospermiiin xanthoides, 355. 

 Acclimatization of plants, 348. 

 Achrematite, a new mineral, 223. 

 Acids, do they coagulate the blood? 284. 

 Acworth, J. J., 197. 

 Adams, Dr. A., Leith, 300. 

 Adulteration of beeswax with paraffin, 500. 

 Adulterations in coffee, detecting, 208. 

 Aerolite, an interesting, 225. 

 Aeronautics in the arctic regions, 452. 



recent progress of, 450. 

 African locust in Germany, 329. 

 Agassiz, Alexander, 228. 

 Agricultural station, Connecticut, 376. 

 Agriculture and rural econom}', .H65. 

 Air, determination of ozone in, 194. 

 elasticity of purified, 143. 

 pushed in front of a projectile, 144. 

 temperature of, 105. 

 Air-cooling, method of, 420. 

 -germs, 272. 



-movement on the barometer, 87. 

 -pressure in buildings, 117. 

 -tight joints, 520. 

 Airy, Prof., 232. 

 Alaska Commercial Company, 389. 



seal islands, 389. 

 Albumen for preserving flowers and bou- 

 quets, 357. 

 Alcohol, physiological action of, 286. 

 Algol, period of, 19. 

 Airen,J. A.,302,304, 309. 

 Allovs of silver and copper, 205. 

 Allstou, Edward K., 301. 

 Alps, covering the slopes with forests, 365. 

 Altitude at White River Indian Agency, 

 249. 

 influence of, upon the health, 531. 

 Altitudes in the United States, correction 



of, 233. 

 Amalgamation of iron, 177. 

 Amber, dredging for, 224. 

 Ameghino, Florentine, 293. 

 America, fossil birds in, 311. 



heath in, 358. 

 American bromine, 194. 



fossil insects, .330. 

 gooseberries, 35.5. 

 mining methods, 434. 

 woods at the Centennial, 355. 

 Ammonia in sulphuric acid, 196. 

 in the atmosphere, 85. 

 Ammonia-soda process, improvement in, 



200. 

 Ammonium nitrite, 197. 



Amyot, 349. 



Anacharis alsinastrum, 345. 

 Anastatica hierochuntina, 353. 

 Ancient discovery of a variable star, 31. 

 Andre, 29, 31. 

 Andrews, Dr., 164, 199. 

 Anemometer, Hipp's, 113. 

 Aneroid barometer, accuracy of, 88. 



the, 116. 

 Aneroids and hypsometry, 2?.l. 

 improvements in, lil. 

 Angeliu, Nils Peter, 541. 

 Angot, 110. 



Angstrom and Kirchoff, 11. 

 Anguillula stercoralis, 5.35. 

 Aniline black, discharging from fabrics, 

 489. 

 red, new, 492. 

 Ansart, Captain, 89. 

 Ansell, 540. 



Antifouling composition, 435, 471. 

 Antimony, hydrogen in so-called explo- 

 sive, 193. 

 Antiquity of the burning mirror, 146. 

 Antiseptic action of salicylic acid, 423, 425, 



bisulphite of carbon, an, 207. 

 Ants and wasps, wrestling-match between, 



325. 

 Apollo, problem of, 1. 

 Apparatiue against incrustation, 436. 

 a sul)stitule for gum, 498. 

 Apples, fodder value of, 382. 

 Aquaria, management of, 30T. 

 ^Aquarium at \\ estmiuster, new, 308. 

 Aquometer, the, 471. 

 Archebiosis, 281. 

 Archer, Prof., 415. 



William, .345. 

 Archimedea remex, 34.5. 

 Arctic explorations, Swedish, 241. 

 regions, aeronautics in, 452. 

 Argelander, 7. 



Arkansas Fish Commissioners, 401. 

 Armatures, influence upon magnets, 158. 

 Armieux, Dr., 125. 

 Army Signal-oflice, award to, 109. 

 worm of the North, 330. 



reproduction of, 332. 

 Arsenic,medico-legal examination for,217. 

 Artemia, influences of external agencies 

 in, 335. 

 salina and mnlhausenii, 335. 

 Arterial, conversion of, into venous blood, 



284. 

 Artificial alizarine, prohibition in Russia, 

 490. 

 culture of pearl-oysters, 409. 

 ultramarine industrj', 489. 

 Artillery practice, sharp, 455. 

 Asiatic cholera, 532. 



