Vlll. LIST OF ILLUSTKATIONS 



PAGK 



FIG. 40. Fornaria-larva of a Marine- worm (Balanof/lossus) 131 



FIG. 41. Larval Form a Crinoid 131 



FIG. 42. Trochophora Larva of Polygordius, a Marine Annelid ... ... 132 



FIG. 43. Nauplius Stage of Penceus potimirum 133 



F IG . 44, Zosea Stage of Crab ... ' 135 



FIG. 45. Life-history of the Liver-fluke (Fasciola [Distomum} liepatica) 154 



FIG. 46. Marine Jelly-fish face 162 



FIG. 47. Colour-adaptation and Mimicry 168 



FIG. 48. The Taguan (Pteromys petaurista) 178 



FIG. 49. Sexual Dimorphism face 178 



FIG. 50. Influence of Temperature during the Pupa Stage upon Colour 



and Design of Butterfly 187 



FIG. 51. Amoeba proteus in various Stages of Motion ... ... ... 213 



FIG. 52. Nummulites ... 219 



FIG. 53. A Micro-aquarium 220 



FIG. 54. Trumpet-animalcule (Stentor coeruleus) ... ... ... ... 223 



FIG. 55. Stentor cceruleus 224 



FIG. 56. Conjugation of Par amsecium in Six Stages 227 



FIG. 57. Life- cycle of the Malaria Parasite of Man ... ... ... 235 



FIG. 58. The Malaria Mosquito (Anopheles claviger) 239 



FIG. 59. Volvox globator 246 



FIG. 60. Green Fresh-water Polyp (Hydra viridis) 256 



FIG. 61. Salpa democratica ... ... ... ... ... ... face 259 



FIG. 62. Development of Aurelia aurita 260 



FIG. 63. Caterpillar covered with Cocoons of Microgaster glomeratus... 272 



FIG. 64. Ammophila liirsuta paralysing a Caterpillar ... ... ... 272 



FIG. 65. (1) Bhyncliites populi, with Leaf-roll. (2) Leaf-rolls of 



Khynchites betulte... ... ... ... ... ... ... 273 



FIG. 66. Mud-fly (Eristalis tenax] 275 



FIG. 67. G-eophagiis brachyurus 277 



FIG. 68. Hippocampus antiquorum ... ... ... ... ... ... 278 



FIG. 69. Brazilian Frog (Pipa americana), with young 280 



FIG. 70. Spermatozoa of Different Animals face 283 



FIG. 71. Change of a Spermatid in a Scuttle-fish (Octopus Defilippi] 



into a Spermatozoon 292 



'FiG. 72. Diagram of a Maturation Division 294 



FIG. 73. Fertilization face 296 



FIG. 74. Mendel's Law 318 



COLOUEED PLATES. 



PLATE I. Animal Life in the Antarctic ... ... ... to face page 32 



PLATE II. Deep-sea Life 42 



PLATE III. Reptiles of the Triassic and Jurassic Periods ,, ,, 108 



PLATE IV. Flat-fish 122 



PLATE V. Domesticated Pigeons 142 



PLATE VI. Symbiosis 182 



