Animal Life and Intelligence

by C. Lloyd Morgan

F

• Fabre, M., on Sitaris, [439]
• Facetted eye, [289]
• Factors of phenomena, laws of, [61]
• Falkland Islands, cattle of, [102];
  • birds of, [443]
• Fear, dread and terror, [387];
  • instinct of, [443]
• Feelings of animals, [8], [378]
• Female. See Sex-differentiation.
• Female and male insects, differences between, [179];
  • vigour expended on offspring, [238]
• Fertilization, nature of, [42];
  • absent in parthenogenetic forms, [44]
• Fertility, differential, Darwin and Romanes on, [104];
  • of hybrids, [105]
• Fetishism, its natural genesis, [492]
• Fischer, Dr. Emil, on smell, [254]
• Fish, respiration in, [24];
  • protective resemblance in, [83];
  • amount of food-yolk in eggs of, [220];
  • skate and turbot compared, [220];
  • sense of taste in, [252];
  • sense of smell in, [256];
  • sense of hearing in, [264];
  • sense of sight in, [286];
  • fascination in, [388];
  • love-antics of, [450]
• Fisk, Rev. G. H. R., on sympathy in cat, [397]
• Fission, a process of cell-division, [37];
  • in protozoa, [38];
  • in metazoa, [41]
• Flight, instinctive nature of, [425]
• Flourens, M., on function of semicircular canals, [269]
• Flowers and fruits, selection of, [93];
  • evolved through insect agency, [206]
• Folliculina, [360]
• Food-stuffs, relations of animals and plants to, [15];
  • nature of and digestion of, [25]
• Food-yolk, influence of, on development, [55];
  • the result of parental sacrifice, [57]
• Forbes, H. O., on Javan spiders, [90]
• Forel, M., on taste of ants, [253];
  • on vision of daphnids, [296];
  • on happy family of ants, [428]
• Form-characteristics of animals, [2]
• Fortuitous variation, [235]
• Fosterage and protection, [219];
  • result of female self-sacrifice, [238]
• Fothergill, Mr., on dogs swimming rivers, [364]
• Fowl, variations in, attributed by Darwin to use, [171];
  • crossing of, [227], [230]
• Fox, cunning of, [366]
• Francis, Mr. H. A., [90]
• Fritsch, Dr., Fig. of skull of Melanerpeton, [288]
• Frog, development of, [6];
  • arrest of life in, [21];
  • respiration in, [24];
  • fishing, or angler-fish, [91];
  • modified development of, [214];
  • effects of simple stimulus on, [305]
• Fruits and flowers, selection of, [93]