270 



INDEX 



Interthinking groups— Continued 

 selection and control of matings, 



241, 246 

 tabulation for population of the 

 U. S., 1952, 207-8 

 Invertebrates, 5, 48-50, 134 



starfish, 49-50 

 Irritability, of protoplasm, 109 



Japan 



American hygiene introduced, 

 200 



birth control in, 201 



overpopulation problem, 196-200 

 Java man, 61-62, 65 

 Jeans, Sir J. H., 14 

 Jeffreys, H., 25-26 

 Jehovah, 106 

 Jelly fishes, 48 

 Jennings, H. S., 115-16 

 Jespersen, Otto, 169 

 Jesus Christ, 183 



Kingdom of Heaven, 106-7 

 Jews, religion of, 106 

 Jointed foot, 49 

 Jung, C. G., 95 

 Jupiter, 23-24 



Kalahari, 92 



Kalunga, 102 



Kangaroo, 55 



Kant, Immanuel, 221 



Keith, Sir Arthur, 223-25 



Kinematic relativity, 17-18 



Kingdom of Heaven, as taught by 



Jesus, 106-7 

 Knowledge, accumulating, 9, 68-69 

 Koenigswald, G. H. R. von, 61 

 Kohler, Wolfgang, 162-63 

 Korzybski, Alfred, 184-86 

 Kraal, 102 



Kropotkin, Prince, 72 

 Kuanyama Ambo 



clan system of, 101-3 



Kalunga, 102 



kraal, 102 



La Barre, Weston, 91 



Labor, division of, 97-98 

 Lamarck, J. B., 67-69 

 Lambert, J. H., 21 

 Lamprey, 51 

 Langlois, T. H., 73 

 Language, 165, 167-70 



of bees, 168 



role of semantics, 184-88 



sign, 168-69 



universal, 186-88 

 Lao Tse, of China, 105 

 Laplace, Pierre S., 13-15 

 Leadership 



among animals, 78-80 



need for scientific and philo- 

 sophical, 248-49 

 Leake, C. D., 225 

 Learning 



among animals, 158-75 



capacities of vertebrates, 132 



by experience, 1 16 



compared to instinct, 158 



differences in capacity, for, 204, 

 206-12 



inheritance of, 68 

 Learning sets, 115, 161, 164-65, 233 

 Leibnitz, Gottfried, 174 

 Lemaitre, Abbe, 16-17, 19 

 Lemmings, mass behavior of, 75-76 

 Life 



at virus level, 29 



beginnings of, 23-34 

 Limitations of Science, 1 19 

 Linnaeus, study of Homo ferus, 



172 

 Locke, John, 159-60 

 Loeb, Edwin M., 101-3 

 Lorimer, Frank, 209-10 

 Lull, R. S., 189-90 

 Lully calculator, 173 

 Lysenko, 68 

 Lyttle, R. A., 19-21 



McCulloch, W. S., 174 

 McDougall, William, 137 

 Machine, compared to brain, 173- 

 75 



