Index. 



Plans for improving London, 136. 



Planets, the ninetieth, 320. 



Planet Mars, 466. 



Planet Saturn, 49, 142, 194. 



Plants found in the lake dwellings, 151. 



Plumules of the pieris oleracea, 318. 



Plumage, forms and colour of, 377. 



Poison in whale fishing, 479. 



Polar insects, 128. 



Polyzoa, new freshwater, 240. 



Porosity of caoutchouc, 320. 



Pottery of the lake dwellers, 153. 



Portahle horizontal slide, cabinet, and 

 covered opaque slide, 398. 



Precipitation of metals from their solu- 

 tions by magnesium, 474. 



Prevention of the spark produced by 

 the extra current, 235. 



Prismatic spectra of the August me- 

 teors, 161. 



Prisms and silvered flats for telescopes, 

 80. 



Proceedings of learned societies, 317, 

 396. 



Processionary moth, 253. 



Progress of invention, 73, 156, 234, 

 317, 473. 



Projectiles affected by the earth's rota- 

 tion, 476. 



Propulsion of boats on canals, 474. 



Pseudoscopic appearance of the moon, 

 399. 



Purification of water, 77. 



Pyramid at Mexico, 396. 



Rapid increase of the star in Corona, 



159. 

 Eed star, 392. 

 Red stars, 119. 

 Refugee Kaffirs, 186. 

 Regulator of velocity, 73. 

 Reliquise Aquitanicse, 315. 

 Remains [of large dinosaurian reptiles 

 from Stormberg Mountains, South 

 Africa, 396. 

 Reproduction of designs on glass, 76. 

 Researches of Dr. Miiller and Dr. 



Claus, 328. 

 Resins soluble, simple mode of render- 

 ing, 474. 

 Respiratory apparatus of land crabs, 



329. 

 Results of meteorological observations 



at Kew Observatory, 66, 304. 

 Rhinoccri, 44. 



Rhizomes of parasitical plants, 349. 

 Rhapalocnemis phulloidcs, 354. 

 Ring system of Saturn, 49, 143. 

 Rocks of North Devon and "West 



Somerset, 397. 

 Roman inscriptions, 226,396. 



Ross's four-tenths condenser, 59. 

 Rotation of Saturn's ring, 57. 

 Rotifers, strange place for, 211. 

 Royal Microscopical Society, 397. 



Satuew, 194. 



Saturn's "square-shouldered" phase, 



23. 

 Saw-fly, 128. 

 Sauroids, 100. 

 Schmidt on the lunar crater " Linne" 



and November meteors, 448. 

 Scholarships and exhibitions in the 



University of Cambridge, 316. 

 Scientific and Literary Treasury, 316. 

 Seasons of Mars, 471. 

 Secchi on double stars, 399. 

 Sepulchral tumuli, 227. 

 Settlers in Natal, 185. 

 Shells, form, growth, and construction 



of, 241. 

 Shell structure, 249. 

 Ships and bridges, iron and steel in the 



construction of, 257. 

 Shooting stars near the earth, 239. 

 Shoting stars of November, 449. 

 Silica, 302. 

 Silk produced by diurnal lepidoptera, 



393. 

 Silvered object glasses for sun viewing, 



240, 320. 

 Sleep of fishes, 104. 

 Soap beans of China, 319. 

 Soda manufacture, simplification of, 



237. 

 Solar observation, 391. 

 Solar theories, Chacornac's, 15. 

 Spectra of some meteors in November, 



1866, 465. 

 Spectra of meteors, 38, 163. 

 Spectrum of apatite, 159. 

 Spiders and earwigs, 319. 

 Spiral form of shells, 242. 

 Spots on the equatorial regions of the 



sun, 18. 

 Spontaneous generation controversy, 



240. 

 Spontaneous generation, 302. 

 Stag beetle, 131. 

 Star magnitudes, 319. 

 Starches, 302. 

 Stars, Handbook of, 231. 

 Stone-age in China, 221. 

 Stones on Cadcr Idrie, 28. 

 Strange place for rotifers, 211. 

 Street architecture of London, 17 1. 

 Sun, obscurations of the, 223. 

 Sun spots, Norman Lockyir on spectra 



of, 479. 

 Swedish fauna, 130. 

 Svcamore tree, 118. 



