GENERAL INDEX 



233 



Hazel, iv. 144, 147, 148, 172, 

 180, 184, v. 72, 73 ; various 

 uses of, iv. 149 ; nut, involucre 

 of, iv. 149 ; nuts dispersed 

 by Nuthatch, iv. 149. 



Head-ganglia, ii. 208. 



Heart of birds, i. 78 ; of 

 mammals, i. 22. 



Heart-urchin, ii. 154, 155, 175. 



Heat in various parts of the 

 globe, vi. 1 6, 20 ; formation 

 of, vi. 124. 



Heath, iv. 192 ; bedstraw, iv. 

 201, 202, v. 69 ; kinds of, 

 iv. 17, 195 ; rush, iv. 196, 

 201, 204. 



Heather, iii. 188, iv. i, 36, 

 69, 177, 183, 191, 192, 193, 

 204, 207, 209, y. 33, 86, 215 ; 

 illustration of, iv. 14 ; moor, 

 iv. 190, 192, 196, 199, 200, 

 202 ; pistil of, iv. 15 ; seed- 

 lings of, iv. 1 6. 



Heaths, iii. 51, iv. 196, v. 

 n, 217 ; vegetation of, iv. 

 188. 



Heavens and their story, vi. 89. 



Hedge garlick, v. 74 ; mustard, 

 iv. 185. 



Hedgehog, i. 54 ; toadstools, 

 spiny projections of, iv. 128. 



Hedgerow, iv. 148 ; in spring, 

 illustration of, v. 74 ; vege- 

 tation, effect of running water 

 on, v. 54 ; illustration of, 

 v. 72. 



Hedgerows, iv. 185. 



Helix, species of, ii. 14, 48, 

 49, 211. 



Hellebore Viridis, iv. 160. 



Hemiptera, ii. 15. 



Hemp agrimony, v. 40. 



Henbit, v. 86. 



Herbaceous and rose borders, 

 illustration of, v. 128 ; 

 border, v. 175 ; cuttings, v. 

 120 ; plants, iv. 156, v. 

 170 ; plants in relation to 

 low temperature, vi. 37 ; 

 undergrowth, observations 

 on, iv. 157. 



Herb-Robert, iii. 166, 196, 197 ; 

 life - history of, flowering 

 shoot figured, fruit figured, 

 iii. 198, iv. 69, 76, v. 70, 74. 



Hermit crab, ii. in, 128, 173, 

 149, 150, 166, 171, 179, 181 ; 

 habits of, ii. 149, 150 ; 

 inhabiting shells, ii. 150 ; 

 tail of, ii. 149. 



Heron, figure of foot, i. 95. 



Herons, carriage of neck, i. 87. 



Herring, i. 145, 147 ; gull, plum- 

 ages of, i. 89. 



Highland animals in winter, i. 

 62. 



Hills covered with snow, vi. 43. 



Hills, how formed, vi. 162. 



Hind, i. 32, 213. 



Hindhead, commons of, iv. 208. 



Hind-limbs, i. 22. 



Hints as to shore excursions, ii. 

 173- 



Hints on collecting plants, iii. 

 no. 



Hip-girdle, i. 22. 



Hippuris, ii. 92. 



Hips, iv. 55. 



Hoar frost, vi. 49. 



Hoary cress, iv. 185. 



Hog-weed, iv. i. 



Holcus grass, iv. 208. 



Holcus lanatus, v. 60. 



Hollow - horned ruminants, i. 

 38. 



Holly, iv. 164, 165, 208 ; 

 composition of leaves, iii. 51 ; 

 exalbuminous seeds of, iii. 12. 



Hollyhocks, v. 171. 



Holly-leaved Naiad, localities 

 of, v. 24. 



Holly, Sea, v. 10, n ; smooth 

 bark of, iv. 178; teeth of, 

 iii. 75 ; typical tree of sandy 

 soils, v. 215 ; with two 

 cotyledons, iii. 12. 



Holm Oak, iv. 164. 



Honeysuckle, iv. i, 32, 69, 74, 

 78, 156, 208 ; bud scales, iii. 

 40, 43 ; calyx of, iv. 33 ; 

 illustrated, iv. 34 ; pollina- 

 tion of, iv. 35. 



Hoofed animals, i. 32, 40. 



Hop, iii. 77, v. 178, 179 ; twining 

 stems of, iii. 58. 



Horizon, circular form of, vi. 51 ; 

 colours, vi. 57. 



Horizontal clouds, vi. 57. 



Hornbeam, iv. 153, 171, v. 

 215 ; leafy involucre, iv. 149. 



Hornbill, type of beak, i. 92. 



Horned moon, vi. 89 ; poppy, 

 v. 10, 2ii ; poppy, illustra- 

 tion of, V. 12. 



Hornet, i. 210. 



Horns, branched, i. 38 ; in the 

 " velvet," i. 38 ; hollow, i. 

 38 ; structure of, i. 38. 



Hornwort, ii. 90, v. 24, 25 ; 

 free swimming form, v. 23. 



Horse, i. 32, 40 ; bones of the 

 foot, i. 34 ; callosities of, i. 

 34 ; colour of, i. 60 ; skeleton 

 of, i. 33 ; stripes of, i. 67 ; 

 chestnut, i. 34, iii. 39, 43, 

 iv. 169, 173 ; chestnut, 

 cotyledon of, iii. 9 ; chestnut, 

 exalbuminous seeds of, iii. 12 ; 

 chestnut, largest buds of any 

 tree, iii. 40 ; chestnut, with 

 two cotyledons, iii. 12 ; foot 

 of, i. 35 ; leech, ii. 125 ; 

 radish, v. 17 ; starfish, madre- 

 pore of, ii. 181. 



Horse-shoe bat, i. 44 ; vetch, 

 v. 216. 



Horsetail, v. 86 ; Field, iv. 94 ; 

 Ferns, description of, iv. 95, 

 96 ; Giant, iv. 94, 96, 97. 



Hot-bed, for cuttings, v. 120. 



Hudson Bay lemming, ii. 219. 



Humble-bees, ii. 204, 205, 208, 

 iii. 79. 



Humidity of air, vi. 2, 8. 



Humming-birds, i. 65, 91, 92. 



Humus, depth of, iv. 154, 155. 



Hyacinth, iii. 70, v. 171, 179, 

 vi. 37 ; Blue, ii. 209 ; bulb 

 of, v. 116 ; Wild, iii. 104 ; 

 diagram of, iii. 105. 



Hysena-dog, i. 64. 

 Hydra, ii. 126. 

 Hydroids, ii. 175. 

 Hydrometra stagnorum, ii. 195. 

 Hymenoptera, ii. 10, 17, 203, 



212. 

 Hypogeal cotyledons, iii. 9. 



Ice age, iv. 144 ; barriers, vi. 



46 ; nature of, vi. 49 ; action 

 of, vi. 48 ; crystals, in the 

 air, vi. 41, 55 ; in proportion 

 to water, vi. 48 ; in relation 

 to rivers, vi. 46 ; specific 

 gravity of, vi. 48 ; needles, 

 vi. 41 ; pushing its way to 

 the sea, vi. 46 ; streams, vi. 

 46. 



Iceberg, vi. 47 ; experiment 

 with, vi. 48 ; peculiarities of 

 Antarctic, vi. 46, text Fig. 



47 ; peculiarities of melting, 

 vi. 46, text Fig. 58 ; 

 irregular shape of, vi. 48. 



Ice-floats, vi. 47. 



Iceland Moss, v. 10 ; Poppy, v. 



169. 



Ichneumon fly, i. 189. 

 Ichthyosaurs, i. 109. 

 Incompletae, iv. 69. 

 Incubation, i. 101. 

 Inflorescence of grass, v. 56. 

 Infusorians, ii. 170, 185, 187, 



1 88. 

 Ink-cap, spore-print of, iv. 



127. 



Inkstone, i. 76. 

 Insect and fungoid enemies of 



garden crops, v. 180. 

 Insect pollinated flowers, iii. 1 2 8 . 

 Insectivorous birds, i. 83, v. 



181. 

 Insectivorous plants, iv. 41, 43 ; 



characteristic of peat-bogs, 



v. 30, 31 ; habits of, v. 31. 

 Insects, i. 158, 160 ; ii. 108 ; 



entrapped by hairs, iii. 78 ; 



injurious, ii. 209. 

 Instruments, practical use of, 



vi. 9. 

 Intermediate associations, v. 



10. 

 Intermediate Bladderwort, v. 



32- 

 Internodes of flowering plants, 



iii. 92. 



Inula, species of, v. 42. 

 Inverness, latitude of, vi. 57. 

 Invertebrates of fresh-water 



aquarium, ii. 105-127. 

 Irideae, iv. 69. 



Iris. iii. 69, v. 28, 175, 179 ; self- 

 propagation, iii. 6 1 ; yellow, 



iv. 70, v. 43. 

 Iris pallida Dalmatica (Princess 



Beatrice), v. 171 ; pseuda- 



corus, iii. 221. 



Irish or Carrageen Moss, v. 10. 

 Irish time-tables, vi. 79. 

 Irregular flowers, iii. 106. 

 Irrigated land, vi. 38. 

 Isoetes lacustris, v. 24. 

 Isopod crustaceans, ii. 188, 



200. 

 Italian rye grass, v. 57, 63. 



