482 



Index. 



Aurora borealis, 258. 



Automatic registration of phenomena, 



13. 

 Aventurine, 381. , 



Bacon's historical and archaeological 

 map of England and Wales, 62. 



Beryls and emeralds, 222. 



Black phosphorus, 231. 



Black Sea, lake Tchokrak, 414, 



Blue London clay, 35. 



Boiler incrustation prevented, 400. 



Bone cave at Sunderland, 388. 



Bootis, constellation of, 139. 



Botany, study of, 114. 



Botany. — Hardy ferns, 61 ; Handbook 

 of British plants, 61 ; artificial fe- 

 cundation of grain crops, 79 ; hairs 

 of plants, 111 ; .history of British 

 ferns, 147 ; notes on fungi, 183 : 

 fungus in ivory and bone, 239 : 

 growth of mistletoe, 239 ; active prin- 

 ciple of Calabar bean, 239 ; preserv- 

 ing elms from insects, 239 ; sewage 

 plant, 311; vegetable transforma- 

 tions, 319 ; spiral vessels of plants, 

 319 ; Welwitschia mirabilis, Hook-fil, 

 424 ; temperature at which plants 

 germinate, 480 ; Ansectochili, or 

 netted-leaved orchids, 401. 



Break, new, for locomotive purposes, 

 233 



Bronze swords, ancient, 476. 



British Association charts for observa- 

 tions of luminous meteors, 391. 



British Association, 236, 316. 



British portraits before and during 

 the Tudor period, 95. 



British portraits of the Stuart period 

 and the Commonwealth, 169. 



British portraits from the reign of 

 Queen Anne, onwards, 176. 



Bubble blower, new patent, 80. 



Bubble solutions, 359. 



Bubbles, varying colours of, 358. 



Bunodes gemmacea, 263. 



Bustard, gular pouch of, 478. 



Caiabab bean, active principle of, 

 239. 



Calcined flint, 355. 



Cambodunum, ancient Eoman town of, 

 in Yorkshire, 473. 



Cambridgeshire greensand, 37. 



Campbell's frost and fire, 9. 



Cane sugar, 376. 



Carbon, 219. 



Carbonate of soda, process for obtain- 

 ing, 469. 



Carboniferous formation, 436. 



Cascade Mountains, new species of 

 cicada found on, 428. 



Cassiopese, 141. 



Casting metal tubes, 65. 



Catalytic action of potato-peel, 228. 



Cattle plague and scientific investiga- 

 tion, 127. 



Cattle plague, 287, 385. 



Celestial photography, 133. 



Celt, the word how misapplied, 75. 



Cenocephalus, a section of Crustacea, 

 326. 



Centrifugal force, new application of, 

 65. 



Central American calenders, 7. 



Ceratiocaris, a section of Crustacea, 

 326. 



Cerium, discovery of in England, 395. 



Ceres, opposition of, 454. 



C'hacornac on the moon, 370. 



Chacornac on the volcanoes of the sun, 

 166. 



Change and identity, 461. 



Chain suspension roofs, 275. 



Chemistby. — Economic source of oxy- 

 gen, 64 ; formation of steel by gases, 

 65 ; non-explosive gunpowder, 152 

 nitro - glycerine, 153 ; electricity 

 cause of animal colours, 153 ; sensi 

 tizing of iodide of silver, 154 

 enamelled silver, 155 ; improvement 

 of the air pump, 155 ; heat from 

 rotation of a disc in vacuo, 159 ; 

 absorption bands and temperature, 

 160; electric properties of mineral 

 waters, 160 ; production of formic 

 acid, 227 ; formic acid, 227 ; cataly- 

 tic action of potatoe peel, 228 ; oxi- 

 dation of fat oils by action of atmo- 

 sphere, 229 ; illuminating gas from 

 vegetable refuse, 229 ; method of 

 producing ice, 230 ; black phospho- 

 rus, 231 ; alloys of manganese, 231 ; 

 evaporation by mechanical means, 

 232; experiments with soap bubbles, 

 358 ; Highley's condenser, 368 ; 

 aventurine, 381 ; ammonia, 381 ; 

 pyrogallic acid, 382 ; galvanic bat- 

 tery, 384 ; graphitic acid, 384 ; 

 action of light on sulphuret of lead, 

 385 ; notes on nitride of iron, 399 ; 

 zirconium, 309 ; superphosphate of 

 lime, 309; methylic ether, 309; de- 

 composition of sulphurous acid gas, 

 310; obtaining chlorine, 310; nitride 

 of iron, 311 ; zinualin, 312 ; mag- 

 nesium, 313 ; magnesium battery, 

 320 ; clarification of water, 320 ; 

 carbonate of soda, 469 ; electric light, 

 472; ozone, 472. 



Chemical Society, 395. 



