GENERAL INDEX 



241 



Steel-coat, ii. 193. 



Stellaria media, iii. 74, v. 81, 

 86. 



Stem of potamogeton, trans- 

 verse section figured, v. 27. 



Stem-tubers, iii. 67. 



Stems of flowering plants, iii. 92 ; 

 of plants, colour of, iii. 57. 



Stick shadow, vi. 72, 83. 



Stickleback, i. 138, 139, 145, 

 ii. 133, 134, 192 ; economy 

 of, ii. 198 ; nest-building 

 of, ii. 103, 104 ; species of, 

 ii. 103, 104. 



Stilt, figure of, i. 96. 



Stinging animals, i. 158, ii. 

 179 ; nettle, iii. 75, 82, v. 

 30, 74- 



Stinking-bishops, ii. 15 ; hay- 

 weed, v. 86, 217. 



Stipa pinnata, iii. 80, iv. 205. 



Stipes of cockroach, i, 172. 



Stipules, iv. 172 ; of flowering 

 plants, iii. 92 ; of oak or 

 beech, iii. 74. 



Stoat, ii. 202, 216 ; winter 

 dress of, i. 62. 



Stomach, dissection of, i. 38. 



Stomata, protection of, iii. 55, 

 75 ; number of, in leaf of 

 water lily, v. 28. 



Stone-chat, ii. 214. 



Stonecrop, iii. 55, v. 69. 



Stone fern, iv. 90. 



Stone, wearing properties of, vi. 

 95- 



Stork's bill, iii. 2, v. 6, 8, 9, 

 29, 69 ; carriage of neck, 

 i. 87 ; spring migration of, 

 vi. 6. 



Storms, effect of, vi. 103. 



Storm-petrel, i. 83. 



Stratiotes, v. 23, 25. 



Strawberry.life-history, cultiva- 

 tion, distribution, propaga- 

 tion, v. 163-165 ; varieties 

 of, iii. 62, 69, 71, iv. 69, 

 78, v. 49, 117, 126, 148, 

 149, 151, 163. 



Stream, transporting action of, 

 vi. 100 ; formation of valley 

 by, text-fig., vi. 23. 



Streams, adjustment of, vi. 166 ; 

 how formed, vi. 23, 45. 



Sturgeon, i. 140, 141, 147. 



Submerged aquatic plants, 

 structure of, v. 22, 23 ; leaf 

 associations, v. 46. 



Subsoil, v. 33, 195. 



Subterranean clover, v. 74. 



Sucker, v. 117. 



Sugar-cane, iii. 60. 



Summer days, length of, vi. 

 53, 66 ; flowering time, vi. 

 5 ; solstice, vi. 71, 83, 84 ; 

 spraying, v. 183. 



Sun, vi. 4, 5, 51, 53, 54, 63 ; 

 altitude of, solstices of, 

 shadows of, setting of, vi. 72, 

 73- 



Sundew, iii. 73, iv. i, 41-44, 

 69, 208, v. 30, 31, 32, 33, 

 36 ; plant figured, v. 33. 



Sundials, treatment of, vi. 75, 

 76. 



VOL. VI. 1 6 



Sunflowers, iii. 24, 32, 59, v. 

 169, 179. 



Sunrise, vi. 66, 67. 



Sunset, an appearance, vi. 55, 

 80. 



Sunshine, duration of, vi. i, 2 ; 

 amount of, 2 ; observations, 

 vi. 69. 



Sun-star, ii. 155, 180. 



Supra-occipital bone, i. 21. 



Swallow, i. 83. 



Swallows, i. 86, ii. 207, vi. 6. 



Swan-mussel, ii. 58. 



Swans, down-feathers of, i. 69, 

 ii. 190. 



Sward-forming plants, v. 7. 



Swede turnips, v. 139. 



Sweet alyssum, v. 169, 176, 

 179; briar, v. 216; chestnut, 

 fruit of, involucre, iv. 149 ; 

 cicely, iv. 161 ; cassava, v. 

 83 ; flag, v. 28, 29, 43 ; peas, 

 iii. 29 ; peas, varieties of, v. 

 169, 174, 179 ; peas, cultiva- 

 tion of, v. 173, 174 ; scabious, 

 v. 169 ; sultan, v. 169 ; 

 Williams, v. 169 ; vernal 

 grass, v. 57, 58 ; violet, iii. 

 115, 124, iv. 69 ; violet, plant 

 figured, iii. 124; violet, flower 

 of, cross-pollination of, 125 ; 

 violet, sepals of, 126 ; violet, 

 pollination of, 127. 



Swift, i. 83, 86, ii. 218. 



Swimming-bells, ii. 165, 166, 

 185, 186. 



Swine, i. 32. 



Sycamore, iii. 35, 36, 37, 38, 

 41, 43, iv. 60, 76, 147, 172 ; 

 transverse section of bud, iii. 

 44. 



Symbiosis, ii. 185. 



Syringa, propagation of, v. 

 118, 119, 167. 



Tacitus, iv. 144. 



Tadpole, development of, i. 

 131, ii. 98, 195 ; breathing 

 of, i. 134 ; food of, i. 134. 



Talpa europea, ii. 206. 



Tapioca, v. 83. 



Tapir, pig-like, i. 40. 



Tap-root system, iii. 28, 29, 32. 



Taraxacum officinale, iii. 80, 144. 



Tarn, illustration of, vi. 212. 



Tawny owl, i. 86. 



Tay, iv. 144. 



Tealia, ii. 167 ; crassicornis, 

 ii. 128, 163, 179 ; variety of, 

 ii. 128. 



Teazle, v. 215. 



Teeth, cheek, i. 21 ; cutting, 

 i. 20, 21 ; milk, i. 21 ; pre- 

 molars, i. 21. 



Temperature, iii. 21, vi. -2, ; 

 and pressure, vi. 8 ; differ- 

 ences on continents and seas, 

 vi. 17 ; distribution of, vi. 

 33 ; influence on children, 

 vi. 9 ; influenced by wind, 

 vi. 4 ; in relation to vegeta- 

 tion, vi. 37 ; of the arid 

 plains of Asia, vi. 12 ; rise 

 and fall of, vi. 8, 10, 15; 

 observations on, vi. 14. 



Tentacles of plants, iii. 74. 



Terebella, ii. 179 ; conchilega, 

 ii. 159- 



Terebeliids, ii. 160. 



Terns, ii. 170. 



Terrestrial worms, ii. 199. 



Terrier, Maltese, i. 26. 



Terriers, skye, i. 26, 28. 



Testacella, ii. 51, 53, 55. 



Testudo, species of, i. 115. 



Tetrao tetrix, ii. 214. 



Theoretical sun, vi. 79. 



Thermometer and barometer, 

 vi. 8, 9. 



Thermometer, reading of, vi. 23. 



Thermometers, iv. 155. 



Thistle, iii. 80, 148, iv. 157, 158, 

 185, 206, 207; down, iv. 77 ; 

 field, v. 69. 



Thread-worms, ii. 188. 



Three -branched polypody, iv. 

 87, 98. 



Three-lobed scale of horn- 

 beam, iv. 148. 



Three-spined stickleback, i. 144. 



Thrift, sea, v. 15. 



Thrush, common, i. 82, 83 ; 

 feather tracts of young, i. 68. 



Thunderstorms, explanation of, 

 accompaniments of, shape of 

 clouds, direction of, vi. 33, 

 60, 61, 62. 



Thyme, iv. 36, 207, v. 7, 66, 

 74 ; thread moss, illustrated, 

 iv. 105 ; sperm and egg- 

 pockets, iv. 106, 107. 



Thymus serpyUum, iv. 207. 



Tides, observations of, vi. 89. 



Tiger, i. 62. 



Timber, iv. 149 ; suggestions 

 for practical work, iv. 176. 



Time, experiments on the 

 measure of, vi. 78, 79. 



Titmouse, v. 181. 



Tits, ii. 210. 



Toad, hibernation of, i. 122 ; 

 natter-jack, i. 122 ; useful- 

 ness of, i. 122 ; spawn, i. 122, 

 128, ii. 194 ; stools, ii. 2, 10, 

 iv. 125, 126, 141, 178 ; tad- 

 poles of, ii. 194 ; glands of, i. 

 122. 



Tobacco plant, figure of, iii. 104. 



Tolstoi, describing winter 

 scenes, vi. 5. 



Toothwort, iii. 46, iv. 157, 180. 



Top -shell, ii. 128. 



Tormentilla, iv. 201, 202, 206. 



Torrential rainfall, vi. 29, 36. 



Tortoises, i. 109. 



Tortoiseshell butterfly, ii. 204. 



Tortoise-shell limpet, ii. 143. 



Tortoise-shell, small, ii. 208. 



Torlula, iv. 109. 



Town gardening, v. 179. 



Trachea or wind-pipe, i. 76. 



Tradescantia virginica, v. 171. 



Trailing azalea, iv. 196. 



Transpiration, iii. 51, 76. 



Transport, how affected by 

 snow, vi. 42. 



Tree, bole of, iii. 45. 



Tree-climbing cat, i. 67. 



Tree-creeper, ii. 210. 



Tree mallow, v. 12, 14. 



