Index. 



487 



Diatom cysts, 402. 



Diatoms, hunting for, 190. 



Diffusion of rubidium, 481. 



Diseases of man and animals, 243. 



Disinfecting uses of logwood, 483. 



Disk, petaloid, of Cephalosiphon limnias, 

 51, 54. 



Distoma crassum, veliporum, and gigas, 

 etc., described, 28 ; species from ani- 

 mals in the Zoological Gardens, 348. 



Distomidte, notes on, 24, 116. 



Divining rod, 241. 



Divisibility of matter, 162. 



Domestication of science, 471. 



Double stars, 142, 266. 



Dragon-fly, vision of, 105. 



Earth in comet's tail, 63. 



Electrolysis for obtaining aluminium, 183. 



Electro-magnet as a motive power, 21. 



Electro-magnetic engine at International 

 Exhibition, 426. 



Electro-plating and gilding, 339. 



Elephant likely soon to be extinct, 251. 



Embryogeny, 161= 



Engineering, progress of, in 1861, 9 ; 

 first applications of, 10. 



Entomostraea, 446. 



Epithemia musculus in bogs, 195 ; para- 

 sitic on Zostera, 192. 



Ericsson's caloric-engine, 20. 



Error, sources of, in geology, 327. 



Ether vapour as a motive power, 17. 



Ethnology of Australia, 393. 



Ethylene, oxide of, 476. 



Euglossa analis, and pulchra, Brazilian 

 bees, 337; dimidiata described, 170; 

 cordata, l73. 



Eumenes esuriens, an Indian wasp, 173. 



Eupodiscus argus on Dutch rushes, 192 ; 

 Ralfsii and subtilis on corallina, 196. 



Exhibition tactics, 375. 



Exotic bees, 334. 



Expeditions for scientific discovery, 7. 



Extinct animals, 250. 



Eye of cod-fish described, 199. 



Eyes of insects, 103. 



Fasciola gigantea described, 28 ; hepa- 

 tica figured and described, 117, 347. 



Eeathered reptile of Solenhofen, 367. 



Eecundation of Infusoria, 465. 



Eecundity of Entomostraea, 453. 



Fermentation and generation of Infu- 

 soria, 89. 



Eermentation, M. Pasteur on, 241. 



Fertilization of orchids, 388. 



Eeudal forms and usages, 140. 



Finger- rings, ancient and modern, 57. 



Eish world at home, 223. 



Elint arrow-heads, natural formation of, 

 152. 



Flukes, physiology and habits of, 25, 347. 

 Flying-fish of theBiitish coast, 47. 

 Force, mechanical, produced by heat, 13; 



Dr. Tyndall on, 480. 

 Fossil remains of man, 157. 

 Foucault's telescope, 380. 

 Four-horned sheep, curious specimen of, 



260. 

 Fragillaria striatula on seaside stones,195. 

 Funereal customs of the Romans, 38. 

 Fungi, hybernation of, 388. 

 Fungous disease, 483. 



Gas-engine, Brunei's, 19. 



Gases, absorption of heat by, 155. 



Geography. — Progress of discovery, 6 ; 

 Burke's exploring expedition, 78 ; 

 Xilimandjaro, 154; ascent of the Ogun, 

 155 ; Toyage of Aguirre in search of 

 El Dorado, 209; Cambodia, 239; 

 Highlands of Peru, 278 ; ascent of 

 Yang-tse-Kiang, 394 ; Fiji Islands, 

 396 ; Vancouver's Island, 397. 



Geological value of recent occurrences, 

 370. 



Geology and Mineralogy. — Eruption 

 of Vesuvius, 84 ; bone and flint arrow- 

 heads found at Wookey Hole, Somer- 

 set, 152 ; formation of silicious mine- 

 rals, 156 ; fossil remains of man, 157 ; 

 artesian wells, 159, 404 ; antiquity of 

 bones, 161 ; land animals of the coal 

 measures, 163 ; volcanic island in the 

 Caspian, 163 ; ice-worn rocks of Scot- 

 land, 236 ; volcanic phenomena in 

 Manilla, 241 ; Eoman mining, 295 ; 

 last elevation of Central Valley of 

 Scotland, 319 ; trepidation of the soil 

 at Nice, 324 ; life changes on the 

 globe, 325 ; geological value of recent 

 occurrences, 370. 



Geology as related to zoology, 252. 



Germs, organic, distribution of, 89. 



Glass vessels found at Uriconium, 42. 



Gleanings from the Exhibition, 398. 



Gold coins of the ancients, 406. 



Goldsmiths' work in Middle Ages, 61. 



Gomphonema marina on Cladophora, 

 195 ; geminatum and ventricosum, 196. 



Grammatophora serpentina and marina, 

 191 ; serpentina on algse, 192. 



Grecian finger-rings, 58. 



Griphosaurus, the feathered reptile, 367. 



Grotefend's researches on cuueatic in- 

 scriptions, 99. 



Guinea-worm, 483. 



Guramie, introduction of, to Australia, 

 470. 



Hail and snow, 428. 

 Hailstones of the 7th of May, 1862, at 

 Tynemouth, 444. 



