164 



INDEX 



Lichens, 



nature of, 95. 



independence of symbionts in, 96. 



symbiosis in, 95, 96. 

 Light, 69, 70, 131, 145. 



animal, 89. 



colored, 74. 



influence of, 74, 87. 



intermittant, 85. 



organ, 146. 



production, 89, 97. 



symbiosis, 84. 

 Lightning bug, 84. 

 Lillie, 122, 125. 

 Linnaeus, 1. 

 Lipoid, 



in bacteria, 30. 



in mitochondria, 19. 



in nerve cells, 22. 



in protoplasm, 20. 

 Liposomes, 22. 

 Litodrepa panicea, 81. 

 Liver, 19, 39, 107, 128. 



culture experiments on, 32. 



experiments on, 19, 50, 52. 



in Portuguese man-of-war, 73. 



mitochondria of, 37. 

 Living matter, 



artificial production of, 131. 



origin of, 131. 



ultimate units of, 10. 

 Lohnis, 49, 60, 61, 90, 136. 

 Lowschin, 15, 17, 35. 

 Loyez, 22. 

 Luciferase, 89. 

 Luciferin, 85, 89. 

 Ludford, 45, 46. 

 Luminescence, 85. 

 Luminosity, 87. 

 Luna, 13, 22. 

 Lunar forces, 145. 

 Lymphocytes, 12, 102. 



Ma, 43. 

 Macrosymbiosis, 62. 



Mammalia, 68, 139. 



Mammary gland secretion, 22. 



Man, 139. 



Marcora, 14. 



Marshall, 103, 106. 



Mathews, 20, 107. 



Mawas, 21, 22, 42, 107. 



Mayer, 19, 20, 48, 52. 



McClung, 117. 



McMunn, 68. 



Mechanism, 



internal secretion, 44, 45. 



of growth, 53, 54, 55. 



of flashes in beetles, 87. 



of evolution, 119. 



of heredity, 115. 

 Media, 



agar-peptone, 86. 



ageing of, 52. 



anaerobic, 87. 



artificial, 81. 



bouillon, 86. 



clouding in, 32. 



glycerin-gelatin, 17. 



human blood, 32. 



hydrogen-ion concentration of. 

 32. 



liver infusion, 32. 



meat infusion, 32. 



nitrogen of, 34. 



tryptophane, 34, 50. 



urea, 34, 37, 50. 

 Melanin, 22. 

 Mendel, 115. 

 Mendelian factors, 120. 

 Mercier, 78, 79, 80. 

 Merejkovsky, 23, 110. 

 Mesoblast, 122. 

 Metabolism, 



fetal, 56. 



products of, 79, 130. 

 Metazoa, 142. 

 Methods, 



centrifuge, 17. 



fixation, 10. 



