CLASSIFIED INDEX OF VOLS. I.— XII. 



23 



GEOLOGY 'continued). 



Paleotherium magnum, x. 66 

 Panama, Isthmus of, vi. 262 

 Pebble-finding, iv. 131 

 Perischcechinidie, relationship of, x. 111. 

 Perley's meadow deposit, iv. 131 

 Permian breccias, origin of, ix. 140 

 Persian coast, mud craters on, x. 21 

 Petherwin : beds, i. 150; fossils, i. 119 

 Petroleum, iii. 44, 116 

 Phosphate beds of South Carolina, xii. 258 

 Pitchstone and porphyrine, viii.110 

 Plants, origin of, viii. 43 

 Plesiosaurus, iii. 116 ; another, i. 64 ; 



food of, viii. 211 

 Porphyrine and pitchstone, viii. 110 

 Portland stone, silicoeus substances found 



in, xi. 112 

 Pozzuolano, ii. 23 

 Precious stones, origin of, x. 66 

 Prehistoric remains, vi. 165 

 Primary rocks, origin of, xii. 43 

 Pterodactyle, new, ix. 90 

 Pterodactyles, v. 254; viii. 133; ix. 90; 



not reptiles, ii. 158 



QUAETZ, story of a piece of, vii. 241 



REPTILES, carboniferous, viii. 67 



Rhastic beds, near Leicester, xii. 117 



Rhine Valley, physical history of, x. 116 



Rhinoceros at Ilford, i. 187 



River valley and its tributaries, viii. 33 



River-water in Brazil, i. 102 



Rock structures, chapter in the history of, 



xii. 101 

 Rocks : records of, ix. 83 ; origin of, re- 



GE0L0GY {continued). 



vealed by the microscope, iii. 259 ; 

 thermal, conductivity of certain, x. 

 236 ; volcanic structure of, x. 278 

 Royal Geographical Society, i. 22 



ST. DAVID'S, rocka of, xi. 43 



Salt, iv. 18 



Sand dunes and blowing sand, xi. 116 



Sandstone, story of a piece, vi. 265 



Science, modern subdivision, viii. 181 



Scotland: geological changes in, i. 44; 

 secondary strata in, ix. 68; West, occur- 

 rence of beds in the position of the 

 English crag, i. 68 



Selenite, iii. 281 



Serpentine, i. 140 



Sevenoaks, for geology, i. 119 



Shale-heap, ii. 18, 258 



Sheffield Museum, xii. 21 



Shell, land, in coal strata, v. 64 



Shells: lamp, ix. 3t> j of Lancashire low 

 level sands, x. 20 



Shropshire, mountain limestone of, i. 187 



Siheria, steppes of, x. 213 



Siberiau mammoth, ii. 158 



Silver in Surrey, viii. 214 



Slate: cleaving of, &c, xi. 119, 137, 161; 

 story of a piece, vi. 205 



Snake-stones, i. 37, 61, 94 ; viii. 274 



Soap, bone-dust in, ix. 15 



Soils, porosity of, viii. 279 



South Africa : diamonds, ix. 186 ; x. 44, 

 187 ; xi. 20 ; diamond fields of, xii. 236 



Spirorbis, v. 95 



Sponge spicula in chalk, iii. 236 



Stanner rocks, i. 91, 138 



GEOLOGY [continued). 



Stones : standard, iii. 67 ; on mountains, 



ii. 167, 185, 235 ; singular-looking, near 



Tichborne, xii. 263 

 Strepsodus, teeth of, vii. 45 

 Stromatopora.new species, ix. 210 

 Surrey, silver in, viii. 211 

 Sussex stone-pit, " sarment " in a, v. 175 

 Syno-cladia, new species, ix. 236 



1 TERTIARY birds, new, ix. 18; mammal, 



new, viii. 211 

 Toad-stone, ii. 117, 110 

 Tolmen, v. 117 

 Trigonia, tertiary, xi. 165 

 Trilobite, modern, viii. 279 ; new, from 



the Capo, ix. 18 ; viii. 43 

 Tumuli, objects in, i. 262 ; ii. 18, 47, 90 



UNDERGROUND WATERS, xi. 258 



VICTORIA, paleo-botanical researches 



in, x. 154 

 Virginia, mineral wealth of, x. 44 

 Volcanic : dykes, mechanism of produc- 

 tion of, &c, xii. 258; energy, remarks 

 on Mr. Mallett's theory, xi. 164 



WEALDEN, model of, viii. 235 

 Whitehaven, hematite, deposits of, x. 213 

 Woodwardian Professorship, ix. 90 



YORKSHI RE, West, geology and botauy 

 of, xii. 210 



ZAMBESI, falls of, ii. 61 



MISCELLANEOUS. 



AEROLITE, large, v. 119 

 Africa, South, ramble in, iii. 154 

 Aniline printing process, Willis's, ii. 210 

 Aurora daylight, viii. 5, 46. 



BANGOR, which ? iii. 143, 213 



Barometer, new aneroid, v. 189 



Bath bricks, ii. 81 



Beauty, ii. 73 ; iv. 119 



Borax and cockroaches, vii. 117, 142, 166, 



168, 214 

 Box iron, self-heating, ii. 237 

 Brick-burning, xii. 164 

 Britain, primeval, iii. J 98 

 British Association : meeting of, viii. 



233 ; at Glasgow, xii. 184, 232, 233, 235 

 Broad, on the, vii. 49, 94 

 Brougham, Lord, poem by the late, iv. 



140 



CANDLELIGHT, colours by, viii. 212 

 Carbon, printing in, ii. 236 

 Carbonic acid in the atmosphere, xii. 117 

 Catalogues for collections, viii. 118, 162, 



175, 212 

 Cause or effect, vi. 46, 71 

 Cen'ury ago, a, iii. 127 ; iv. 183 

 Chair, the empty, ii. 265 

 ''Challenger": expedition, ix. 105, 137 ; 



xii. 41, 185 ; news from, x. 221 ; xi. 23 ; 



return of, xii. 160; spoils, xii. 184 

 Christmas Day, 1875, xii. 71 ; and the 



microscope, v. 44 

 Cities, Ta e of Two, freedom from rats, 



iv. 57 

 Clifton College Museum, vi. 237 

 Climate, change of, i. 99 

 Club: echoes from, iii. 231 ; Naturalists', 



ii. 69 

 Coke, distillation of vapour from, ix. 40 

 Cold: effects of, iv. 45; St. Valentine's, 



v. 116 

 Coloured tracts of ocean, ii. 281 

 Collecting, indiscriminate, x. 63, 137, 140, 



142, 166, 190, 259 

 Colloid silica, viii. 168 



Colours, primary, iii. 258 



Comets, speculations concerning, x. 246, 



266 

 Common things, i. 217 

 Condensation and evaporation, ii. 23 

 Conservatism, ii. 217 

 Contraction, &c. of fluids, iv. 68, 93 

 Contributors' corrections, xi. 189 

 Cornish colloquies, iii. 182 

 Corrected quotation, vi. 283 

 Cottage pharmacy, xi. 231 

 Crystal Palace, fire at, iii. 31 

 Cui bono ? i. 25 

 j Curiosities museum, v. 70 



' DARWINISM, what is? iv. 241 

 Dendritic spots on paper, iv. 282; v. 22, 



46, 71, 80 

 Description, popular, v. 238 

 Descriptions, correct, ii. 59 

 Disease caused bv use of false hair, iii. 95 

 Divining-road, viii. 280 

 Drilliug glass, iii. 93, 212 



ELECTRIC stockings, ii. 45, 69 

 Electricity, x. 95, 239 ; magnified, ii. 258 

 England, sister of Holland, viii. 155 

 Errors: popular, vii. 70,92, 93, 117; of 



the press, vi. 254 

 Evaporation and condensation, ii. 23 



| Excess, electiical, viii. 232 

 Exchanges, why a stamped envelope is 

 requested, xi. 238, 262 



| Exhibition, New Zealand, ii. 143 

 Expansion, &c. , of fluids, iv. 68, 93 

 Exposition Universelle, iii. 121 



FALSE hair, a cause of disease, iii. 95 



Feathers, cleaning, ix. 40, 88 



Figures, unfaithful, iv. 65 



Filters, water-, iii. 192 



Fire, vi. 143 ; ocean of, iii. 161 



Fireball, detonating, ii. 239 



Fires, great, origin of, from naturalists' 



point of view, x. 73 

 Flames, rhythm of, iii. 49, 95 



[ Florence flask covers, i. 120 



Fluids, expansion of, &c, iv. 68, 93 



Flume, xii. 166 



Fog, dry or peat, ii. 190 



Forces of the universe, vi. 253 



Fountains, intermittent, i. 260 



French : association for the advancement 

 of science, viii. 258; scientific dic- 

 tionary, iv. 118 



Frost phenomena and evaporation from 



• ice, x. 254 ; xi. 63, 94, 115, 117 



Furness Abbey, vii. 210 



GENERALIZATION, care in, ii. 204 

 Generic names, x. 208 

 Glass, to drill, iii. 192 ; transparent paint- 

 ing on, vi. 213 

 Globe, universal, xi. 15 

 Glue, elastic, iii. 259 

 Gun-cotton, muslin, ii. 281. 



HAILSTORM, iv. 94 ; ix. 51 



Halo, remarkable, xi. 189 ; of a shadow, 



iii. 23, 46, 95 

 Hastings, University School Naturalists' 



Field Club, xii. 160 

 Hastings, word for, iii. 281 

 Hobby, what's your, i. 1 

 How to begin, i. 97 



ICE, ii. 190; inthe tropics, vii. 23; does 

 water expand in becoming ? v. 21 



Ides Brumalioe, iii. 265 



Ignis fatuus, v. 60, 95 



India-rubber, brittle, i. 186 



Initial letters, viii. 20,47 



Ink, indelible, iv. 95 



In memoriam, i. 265 ; Agassiz, Professor, 

 x 41; Baikie, Dr., i. 46; Buxton, 

 Richard, the cobbler botanist, i. 66 ; 

 Couch, Jonathan, \i. 137 ; De Brebis- 

 son, viii. 136 ; Ehrenberg, Professor, 

 xii. 255; Foot, F. J., iii. 70; Greville, 

 Dr., ii. 162 ; Hardwicke, Robert, xi. 

 87; Harvey, Professor, ii. 143; Johns, 



