490 



Index. 



Reptilian economy and classification, 124 



Respiration, M. Flourens on, 243. 



Respiratory system of fishes, 225. 



Retina of cod-fish, 205. 



Reviews oe Books. — Percy's Metal- 

 lurgy, 70 ; Pasteur and Pouchet on 

 Infusoria, 85 ; Wright's Mediaeval 

 England, 137 ; Bollaert's Expedition 

 of Aguirre, 209 ; Monographs in Zoo- 

 logy, 245 ; Darwin on Fertilization 

 of Orchids, 387 ; Jenyns's Memoir of 

 Dr. Henslow, 459 ; Surveying Voyages 

 in the Pacific, 478. 



Rhahdonema arcuatum on algae, 191 ; on 

 Cladophora, 195. 



Rhipidiphoras in salt lagoons, 195. 



Rhizosolenia stiliformis in stomachs of 

 Ascidians, 192. 



Rodents, relations of, to Aye-aye, 133. 



Roman burial in towns, 34 ; mining ope- 

 rations, 295. 



Roman cemetery of Uriconium, 33 ; finger- 

 rings, 59 ; ring-keys, 242. 



Rotary steam-engines, first invention of,16. 



Rotifer (Cephalosiphon limnias) new to 

 Britain, 49. 



Rot in sheep, prevention of, 115. 



Sattten's ring, 431 ; the only flat sur- 

 face known, 265. 

 Saxon art in England, 139. 

 Scales and feathers, links between, 323. 

 Schizonema crucigerum and Dillwynii, 



193 ; neglectum, frustules of, 198. 

 Schultze and Schwann's experiments on 



infusorial generation, 94. 

 Science, domestication of, 471 ; progress 

 ^ of, in 1861, 1. 

 Sclerotium complanatum and minutum, 



hybernation of, 289. 

 Sea-horse, note on, 469. 

 Sea-urchin, section of spine of, 113. 

 Sea-water, effects on oak timber, 239. 

 Sex, peculiarities of, in the bee, 335. 

 Shark, natural history of, 226. 

 Shell motinds of Malay peninsula, 239. 

 Shooting stars, observed heights of, 217. 

 Silicious minerals, formation of, 156. 

 Silk-producing moths of Asia, 321. 

 Silkworm disease, 401. 

 Sinuses in frontal bone3 of Bos buffalus, 



457. 

 Sirius, companion star of, 324, 482. 

 Skeleton, living, 164. 

 Skipper, skopster, or saury, 46. 

 Slack's marvels of pond life, criticism 



on, 50. 

 Sleep of insects, 102 ; how induced in man 



and other animals, 109. 

 Soap-bubbles and meteorology, 484. 

 Sodium spectrum, 323. 

 Soil at Nice, trepidation of, 324. 



Solar repulsion, 286. 



Solitary bees, 434. 



Solubility, experiments on, 481. 



Species, definition of, 253. 



Spectrum analysis, 5. 



Spaehrise and Sclerotia, relations of, 291. 



Spiral nebula, 481. 



Springs, distribution of, 481. 



Star-finder, 323. 



Stauroneis salina on ditch weeds, 194, 



Steam crane at International Exhibition, 

 425 ; engines, improvements iD, 422 ; 

 hammer at International Exhibition, 

 425 ; power known to the ancients, 15. 



Steel from Taranaki, 323. 



Stellar movements and systems, 145. 



Strength of man compared with animals, 

 12. 



Sun, history of its heat, 3 ; metallic con- 

 stitution of its vaporous envelope, 366. 



Surirella Brightwellii in lagoons, 194; 

 ovata in ditches, 198. 



Synedra undulata found on alga?, 191. 



TABELiAElAfenestrataandflocculosa, 196. 



Tadpole, circulation of, 82 j physical de- 

 velopment of, 153. 



Talent, various values of, 406. 



Tarapaca in Peru, products of, 278. 



Telescope, work for, 265. 



Terpsinse musica, localities of, 191. 



Terra cotta, examples of, found at Uri- 

 conium, 44. 



Terrestrial magnetism, 244. 



Thames valley, geology of, 370. 



Tin, effects of iodine on, 164. 



Tinfoil, adulteration of, 161. 



Tissues, Dr. Beale on, 403. 



Titan, transit of, 481. 



Transformations of Entomostraca, 449. 



Transit of Titan, 481. 



Transit of Mercury, Not. 12, 1861, 71. 



Transmutation of species, 254. 



Trematodes, distribution of, in animals, 

 26, 348. 



Triceratium Wilkesii, localities of, 191 ; 

 favus, on Dutch rushes, 192. 



Vacuum engine, invention of, 19. 



Vapours used as motive powers, 18. 



Varieties, how produced and preserved, 

 255 ; of insects artificially produced, 76. 



Vegetable amoeboid bodies, 403. 



Velocity of Bolides, 162. 



Vertebrata, blood corpusules of, 237. 



Vesuvius, erupt ion of, 84 ; electrical phe- 

 nomena of, 211. 



Vision of fishes, 201. 



Vision of insects, 102. 



Vis inertias, effect of, 164. 



Vocal fishes, 324. 



Volcanic island in the Caspian, 163. 



