224 ANIMAL LIFE AND HUMAN PROGRESS 



Hippocrates, 137 



Hookworm, 136, 149, 151, 152, 153, 



154 



Hornbills, 215 

 Horses, 90 



House-fly, 90, 91, 209, 212 

 Howard, 184 

 Hubrecht, 127 

 Hydra, 105 

 Hymenoptera, 216 



Ichneumon-fly, 92 



Imperial College of Science, 79 



Imperial Studies Committee, 3 



Infantile paralysis, 91 



Infusoria, 93 



Inheritance of acquired structures, 



47, 48, 49 

 Insectivora, 115 

 Insects, 38, 69, 86, 87, 88 

 Irrigation Department in Egypt, 148 

 Isolation, physical, 73 



Jannsens, 167 

 Johannsen, 44, 47 

 Johnstone, Dr. J., 202 

 Jones, Prof. Wood, 20, 99 



Kestrel, 88 



Kidney, human, comparison with 



other Primates, 118 

 Kinghorn, Dr., 210, 218 

 King's College, 3, 93 

 Kingsley, Charles, 120 

 Knox, Robert, 103 

 Kuchenmeister, 140 



Labour Party, the, 95 



Lady-bird, 92 



Lady-bug, 87 



Laemophloeus, 9 



Lagothrix, 122 



Lamarck, 35 



Lamborn, Dr., 216 



Lamellibranchiate (Bivalve) mol- 

 luscs, 38, 39 



Lancashire Sea-Fisheries, 202, 204, 

 205, 206 



Lankester, Sir Ray, 92 



Lapwing, 92 



Lawrence, Sir William, 112 



League of Nations, 97 



Leguminous plants, 92, 93 



Leibnitz, 34 



Leiper, Dr. R. T., 12, 91, 133 



Lemur, 106, 107, 108, 110, 111, 115, 

 116, 118, 120, 126 



Leprosy, 137 



Leptinotarsa (Doryphora), 53, 86, 87 



Lesser house-fly, 91 



Leuckart, 141, 150, 152 



Lice, 91, 209 



Limnoca truncatula, 92 



Ling, 193, 196 



Linkage of factors, 164, 165 



Linnaeus, 29, 102 



Linnean Society, 35 



Liverpool School of Tropical Medi- 

 cine, 210 



Liver-rot in sheep, 92 



Lizard, 85, 86 



Locke, 85 



Looss, Prof., 152, 153 



Lopholatilus chamaeleonticeps, 203 



Lull, Prof., 87 



Lyall, 30 



Macaques, 122 



Mackerel, 41, 195, 200, 202 



Malaria, 13, 36, 37, 69, 90, 136, 



151 



Malthus, 38 

 Mammals, 32, 84, 105, 111, 115, 117, 



119, 127, 130, 215 

 Man and animals, practical inter- 

 relation between, 92 

 and the web of life, 85 

 antiquity of, 126-131 

 a parasite, 5 



Mendelian inheritance in, 52 

 origin of, 20, 31, 101, 106-112, 115, 



123-131 



primitiveness of, 113-127 

 relation to Tarsius, 111, 118, 119, 



126 



specialisation of, 120-127 

 upright position of, 120, 123, 124, 



125, 126, 127 

 zoological position of, 30, 102, 103, 



107-127 



Manson, Sir Patrick, 137, 145, 209 

 Marmot, 86 

 Marsupials, 115, 129 

 May, Dr., 218 

 McConnell, 145 

 Medical entomology, 209 

 Melania, 145, 146 



