364. 



I]S'DEX. 



Harmonies of colour, 239 ; of Nature, 77. 



Haschisch, a product of hemp, 295. 



Hauerina compressa, 149. 



Headon Beds, Isle of Wight, 127. 



Heat, internal, of earth, essay on, 253, 325 ; its work in past 



ages, 327 ; gradation of downwards, 329. 

 Hebrew a key to Etruscan, 129. 

 HeUography, 231. 



Hemp, history and uses of, 293 ; raphides of, 245. 

 Herbarium, geological, 127 ; of fungi, 65 ; of mosses, 209. 

 Hillotype, a process of photography, 232. 

 House-spider, history and economy of, 217; weapons of 



attack, 218; articulations, 219 ; terminal feet-combs, 219; 



spinnerets, 220. 

 Humboldt, his life, 15 ; education, 16; iirst scientific work, 



16 ; death of his mother, 17 ; his American travels, 11 ; 



his " Cosmos," 18, 57 ; his various works, 19 ; settlement 



at Berlin, 55 ; journey to Asia, 56 j to England, 57 ; at 



home, 58 ; death, 59 ; burial, 60. 

 Hutton's system of geology, 254. 

 Hyacinth, raphides of, 2^. 

 Hyla arborea, or green tree-frog, 49. 

 Hypothesis of internal heat of the earth, 260. 



Igneous rooks, their character and teachings, 253, 325. 

 Illumination of moon during ecUpse, 281 ; of vorticella 



under microscope, 313. 

 Implements for taxidermy, 117. 

 Incandescence of the inner mass of the earth, 329. 

 Indian Archipelago, volcanoes of, 256. 

 Inflorescence, various forms of, 315. 

 Infusoria, fossil forms of, 146; spontaneously produced in 



aquaria, 229. See also Miceoscope. 

 Inhumation performed by beetles, 306. 

 Inscriptions on consecratio coins, 46, 47. 

 Insects, arrival of, to note, 153 ; monthly lists, 36, 71, 107, 



143, 180, 214, 251, 287, 323, 359. 

 Instinct and reason in dogs, 121. 

 Intermediate substance of sponges, 112. 

 Interment of carcasses by sexton beetles, 307. 

 Intervals in music, 193. 

 Intoxication by haschisch, 295. 



Jewish settlement in Tuscany, 129. 

 Journal, naturalist's, to keep, 151. 

 JuUa Augusta, commemorative coin, 101. 

 JuUum Sidus of Horace, probably a comet, 48. 

 Jupiter, planet, occultation of, 222. 



Kaieidoscopic colour-top, 89. 

 Key-note in music, 297. 

 Kiwi-kiwi described, 42. 

 Kinnear's photographic camera, 337. 



Lagena clavata, 148. 



Laminse of coal for the microscope, 343. 



Latitude, determination of, 265. 



Lava ejected by volcanoes, 257. 



Lead, its uses in the arts, 289 ; British and foreign production 

 of, 290 ; grinding the ore, 291 ; in the furnace, 349 ; mode of 

 combining with ©xygen, 350; smelting of, 350; separa- 

 tion from silver, 351 ; improved process of desUvering, 352. 



Leaf impressions by natural photography, 188. 



Leaf geometry, 140. 



Leafing of trees, a subject for observation, 151. 



Leaves of plants, 11, 52, 158, 160; forms of, 63, 64; 

 typical of the plants which produce them, 141. See also 

 Botany. 



Leger lines in music, 193. 



Leptura micans, an aquatic architect, 106. 



Lessons in bird-taming, 304. 



Life, duration of, 180 ; its phases in the aquarium, 226. 



Lignite, a variety of coal, 327, 345. 



Light reflected from polished surfaces, 194. 



Lighthouses, water-supply for, 144 ; life of Smeaton, 168 ; 

 buflding of Eddystone, 170. 



Lightning, photographic efiects of, 188. 



Lightning-rods, 288. 



Lily-roots, crystals of, 244. 



Limestone, formation of, by foraminifera, 149. 



Lines ruled for microscopic tests, 334. 



Lobster, exuviations of, 97. 



Luganure lead-mine, 2S9. 



Luminous meteors, history of, 131 ; monograph on, 138. 



Lycopodium denticulatum may be used as an aquatic, 76. 



Magic egg experiment, 174. 



Magnolia glauca, odour of, 341. 



Mahogany -tree, 63. 



Marcus Aurelius, coin of, 101. 



Marks, various, in musical notation, 301. 



Maternal instinct, instance of deranged, 320. 



Maxentius, coin of, 103. 



Medicinal properties of hemp, 296. 



Meridian line, to construct, 353. 



Metamorphosis of caterpillar, 80. 



Metal, expansion of, 103. 



Metallurgy, electro, 275. 



Meteoric dust, 145. 



METEOBOiiOGT, elementary, 197 ; importance of, 198 ; laws 

 of, 198 ; underground temperatures, 144 ; seasonal phe- 

 nomena, 153 ; early frosts, 180 ; gales of October, 1859, 

 180, 287 ; lightning-rods, 288 ; weather- tables, August, 

 1859, to May, 1860, 36, 71, 107, 143, 179, 214, 250, 286, 

 322, 358. 



Meteors, periodic visits of, 99, 130 ; mode of observing, 

 130 ; examples of their forms and colours, 131 ; velocity 

 of, and attendant phenomena, 131 — 133 ; list of remark- 

 able, 136. 



Micrometer, its uses, 3. 



Microscope : structure and physiology of sponges, 29, 109 ; 

 studies of the diatomacese, 7, 69, 85 ; rock-forming mi- 

 crozoa, 145 ; wonders of a stagnant pool, 154 ; raj^ihides 

 or microscopic plant crystals, 212 ; minute Ufe in the 

 aquarium, 226 ; microscopical pond-lore, 310 ; coal and 

 coniferous wood, 343 ; vegetation of a decayed nut, 356. 



Migratory birds, periodic movements of, 151, 153. 



MiUola, a form of rhizopoda, 145, 149. 



Military costume, proper colour of, 323. 



Mimosa, example of coloured wood, 63. 



Mineral fuel, legal dispute upon, 348. 



MiNERAiOGY : flints and their fossils, 29, 109, 113, 201 ; 

 studies of coal, lignite, and jet, 233, 343; lead at the mouth 

 of the mine, 289 ; in the furnace, 349. 



Mines, heated springs in, 328. 



Mining, visit to a lead-mine, 289, 349. 



Minute life in rock masses, 150. 



Mixtures of odours, 342. 



Mollusca and Crustacea associated, 99. 



Molten state of the interior of the earth, 329. 



Moon, influence of, on tides, 324. 



Moon's motion, a measure of heat and bulk of earth, 332. 



Moorak, a brevipeunate bird, 41. 



Mosses, culture of in fern-cases, 203 ; herbarium of dried 

 specimens, 209; in fern-cases, 203; collection of dried, 

 209; how to collect, 210; to arrange, 211 ; mounting, 212. 



Moths, night-flying, 25 ; are they sensible to pain, 26 ; 

 attracted by candle-light, 26 ; nocturnal species, 26 ; cha- 

 racteristic flight of nocturnal species, 27 ; swallow pro- 

 minent, heart and club, lemon-spotted, 27 ; lackey, spraw- 

 ler, December, 28 ; aurelias of, 28. 



Mountain chains of granite, 326. 



Mountains of moon, as seen during eclipse, 283. 



Mounting botanical specimens, 69 ; stuffed birds, 119. 



Mud ejected by volcanoes, 257. 



Music, exercises in notation, 297. 



Mussels parasitic on the lobster, 99. 



Narcotic principle of hemp, 294. 



Natuhai History : diatomaceee, 7, 69, 85 ; night-flying 

 moths, 25; sponges, 29, 109,113, 202; green tree-frog, 

 49 ; how many eggs does the cuckoo lay ? 72 ; nettle and 

 wasp, 77 ;' travelling oyster-bed, 96 ; cranial structure of a 

 breed of domestic fowl, 104 ; toads in the heart of trees, 

 144; wonders of a stagnant pool, 154; the robin, 181; 

 birds in winter, a query, 216 ; notes on the eland, 224 ; 

 balance of life and death in the aquarium, 226 ; raphides 

 on plant crystals, 242 ; the siskm, 302 ; microscopical 

 pond-lore, 310. See also Botany, Bird Keeping, etc. 



Natural magic, lessons in, 172. 



