INDEX 



245 



Measurements, microscopic, 206 

 Meat, tainting of, 78 

 Mechanical energy, unit of, 43 

 Mechanical models or theories, 4 

 Mechanics, the Cartesian, 160; classi- 

 cal, 193 

 Mechanism, the animal, 4, 152 

 Mechanism, physico-chemical, 158 

 Mechanisms, automatic, 24 

 Mechanisms, bodily, integrating, 148; 



of joints, 20; sensori-motor, 116; 



non-skeletal, 22 

 Mechanistic conception of life, 152, 



160; insufficient, 162 

 Medical research, 160 

 Membranes, animal, 61 ; synaptic, 



108 

 Memory not conserved, 225; a factor 



in action, 178; and habit, 182; 



and morality, 224; a multiplicity 



in unity, 183: pure, 182; how stored, 



183 

 Mental satisfaction, analysis of, 226 

 Mentality, subconscious, 223 

 Metabolism, 55, 56, 70; animal, 76 



plant, 81, 219 

 Micro-organisms, activity of, 79 



occurrence of, 77 

 Mid- brain, 104; and cord, 122, 146 



and sensation, 122; and sensory 



tracts. 111, 115 

 Minckowski, 235 

 Mind, continuity of, 192 

 Mobility in animals, 9; and bodily 



environment, 55; freedom of, 190; 



inorganic, 10; organic, 10; patterns 



of, 11; in plants, 9 

 Molecules, 31, 33; collisions among, 



199; dimensions of, 199; energy of, 



48; velocities of, 199; weight of, 35 

 Molluscs, locomotion in, 11 

 Motion, cosmic, 10; Newton's laws of, 



47; relative to the body, 189 

 Motor actions, complexity of, 118; 



organs, 20 

 Motor habits, 182; inherited, 183; 



mechanism of, 182; nerves of, 117 

 Movements, adaptive, 10; apparatus 



of, 13: controlof, 121 

 Moulting in Crustacea, 15 

 Muscle-nerve preparation, 135, 172 

 Muscle tissues, 23 

 Muscles, antagonistic, 21, 22, 25, 29, 



117, 119; contraction of, 21 ; control 



of, 121; disintegration of, 70; 



extensor, 21; fibres of, 23; flexor, 21; 



of intestine, 22; involuntary, 24; 



receptors of, 121, 165; and skeleton, 



14; striped, 23; trunk, 123; un- 



striped, 23; voluntary, 23 

 Muscular power, 38, 70 

 Muscular sensation, nerves of, 119 

 Mutations, 187 



Nature, its form and content, 230; 

 laws of, 229; materialistic descrip- 

 tion of, 227; passage of, 230; as 

 space-time data, 227 : stuff of, 233 



Neanderthal man, 99 



Nebular hypothesis, 162 



Neovitalism, 193 



Nernst, 194 



Nerve fibres, 26, 89; secretory, 239 



Nerve-muscle preparations, 117 



Nerves, 89; afferent, 25; Cartesian 

 cells, 26; centres, 87; conception of, 

 155; cranial, 89; dendrites of, 

 27; efferent, 25; and energy, 133; 

 respiratory, 88; sciatic, 27; spinal, 

 90; sympathetic, 88; terminations, 

 106, 107 



Nerve tracts, 100; ascending, 100; 

 association, 103; commissural, 103; 

 projection, 103; pyramidal, 104; 

 sensory, 100 



Nervous arborisations, 27 



Nervous co-ordination, 88 



Nervous impulse, 166; Cartesian con- 

 ception of. 164; and energy, 131; 

 model of, 131; paths of, 112 



Nervous releases, 131 



Nervous system, 90, 130, 145; central, 

 91 ; development of, 94 ; divisions 

 of, 89; of earthworm, 91; and in- 

 determinism, 174; mechanism of, 

 25; peripheral, 91; primitive, 147; 

 scheme of, 26;structure of, 26, 91 



Neurones, 27 



Newton, 188 



Nitrates in nature, 79, 84 



Nitrification, 79 



Nitrogen, fixation of, 85 



Nitrogenous minerals, 80; residues, 80 



Noumena, 176 



Nutrition, organs of, 2 



Nutritive materials, 69 



Objectivity, 176 



Oceanic bacteria, 80 



Oil and animal life, 86 



Olfactory paths, 113 



Optic radiations, 116; thalami, 95; 



tracts, 115 

 Organic and inorganic concepts, 215; 



movements, 10; reactions, 170 

 Organisms, remains of, 219; arid the 



State, 7 

 Ossicles, auditory, 108 

 Oxygen in the lungs, 67 

 Oyster, shell of, 14 



Pain, mental, 223; physical, 223 

 Pallium, cerebral, 96 

 Pancreatic gland, 58 

 Paralysis, motor, 93; sensor}', 93 

 Parasites, animal, 9 



