484 



Index. 



Experiments with soap-bubbles, 358. 

 Eyes of fishes, 180. 



Fable relating to cicada, 435. 



Fecundation of grain, artificial, 79. 



Felspar, 223. 



Ferns, history of British, 147. 



Ferrosnm and ferricum, 383. 



Filtering water, new mode, 308. 



Fire svrin»e, 105. 



Fishes observed at Nice, 1865, 241. 



Fiint tools of North Devon, 350. 



Flight of birds, extraordinary, 399. 



Fiying machine, 314. 



Food of larks, 480. 



Foreign portraits up to, and from the 



reign of Louis XIV., 172. 

 Formation of steel by gases, 65. 

 Formic acid for industrial purposes, 



227. 

 Formic ether, 227. 

 Fossil engraving, 239. 

 Fossil elephants of Malta, 157. 

 Fos-il insect in the Devonian strata of 



North America, 319. 

 Freezing temperature, 100. 

 Frith-geard, use of the term, 235. 

 Frost and fire, geological work of, 9. 

 Fruit sugar, 376. 

 Fungi, notes on, 183. 

 Fungus in ivory and bone, 238. 

 Future coal fields, 435. 



Gales on the British coast, 257. 



Galvanic battery, new, 384. 



Garnets, 223. 



Gases in the atmosphere, 102. 



Gas-»orks and respiratory disorders, 80. 



Geminorum, a lunar position, 138. 



Genera and species, descriptiveeatalogue 

 of, 391. 



Geographical Society, 76, 397, 476. 



Geological Magazine, 394. 



Geological Society, 157, 396,476. 



Geolog'cal work of frost and fire, 9. 



Geology. — Geological work of frnst 

 and fire, 9; excursion to the Crag dis- 

 trict, 33 ; Mammalian remains found 

 near Richmond, 157 ; Professor 

 Haugliton's geology, 199; Geologi- 

 cal Magazine, 394 ; origin of part-llel 

 roads of Glen Roy, 396 ; volcanic 

 groups of Etna and Vesuvius, 400; 

 our future coal fields, 435; selenite 

 impressions in the London clay, 476. 



Geology, Profer-sor Haugliton's, 199. 



Glaciere of Monthezy, 58. 



Ginisher's description of the photogra- 

 phic process at Greenwich Observa- 

 tory, 23. 



Glossiphonia, a species of leech, 85. 



Glowworms, lieht organs of, 160. 



Gnetacea3, or jointed firs, 424. 



Golden net fed-leaved orchids, 401. 



Gorela in the Crimea. 418. 



Graduating diaphragm, 49. 



Grains, new method of preparing, 233. 



Grape s-ugar, 376. 



Graphitic acid, 385. 



Gravitation acting upon light, 69. 



Greenwich Observatory, photography 

 at, 12. 



Griffithsia setacea, 259. 



Growing slide, 3 l J9. 



Gular pouch of Great Bustard, 478. 



Gun-cotton, 318. 



Gun-cotton as a source of motive- 

 power, 157. 



Gun-cotton and alkaline metals, 385. 



Gunpowder, non-explosive, 152. 



Hail storms, cause of, 478. 



Hairs of plants, 111. 



Handbook of British plants, 61. 



Hardening cast-iron, 312. 



Hardy ferns by Mona Bellairs, 61. 



Harmless green for paperhangings, 312. 



Heart movements graphically displayed, 



378. 

 Heat, generation of, by friction, 232. 

 Heat from rotation of a disc in vacuo, 



159. 

 Heliotrope, Miller's, 66. 

 Hemiopris limuloides, 326. 

 Hercules, a lunar position, 140, 399. 

 Hevel's ancient Selenographia, 31. 

 Highley's condenser, 368. 

 "Homes without hands," 148. 

 Honey, 376. 

 Hot springs — other natural features of 



the Pyrenees, 439. 

 Human mm-cles, variations, 320. 

 Humming-bird hawk moth, 158. 

 Hurricanes, West Indian, 332. 



Ice caves of France and Switzerland, 58. 



Ice and glacier marks, 11. 



Ice, simple method of producing, 230. 



Irientiiy and change, 461. 



Idividual identity, 461. 



Ilium nating gas from vegetable refuse, 



229. 

 Illuminations of objects, 48. 

 Illuminaiors, opaque, 467. 

 Inconipres-ibiliiy of water, 233. 

 Infection run mad, 128. 

 Inscribed oak beam at Hexham, 475. 

 Internal motions, 273. 

 Iris of the eye, Mructure and action of, 



in some species of fishes, 180. 

 Is light imponderable ? G*. 

 Ivory, substitutions for, 228. 



