284 



INDEX 



Carrot, the, 13 

 Cartilage cells, 122 

 Catarrh of middle ear, 233 

 Causes contributing to error, 54 

 Cells, artificial, 206 et seq. 

 , bipolar, 201 

 , multi polar, 198 

 , nerve, 203 et seq. 

 , neuroglia, 203 

 , pigment, 221 

 of Purkinje, 168 

 , storage, 200 

 , unipolar, 201 

 Cell protoplasm, 138 



,, reproduction, 103 et seq., 117 

 Centriole, the, 103, 106 

 Centrosome, the, 103, 106, 108, 109 

 Centrospheres, 114 

 Cerebellum, 168 

 Changing sign of impulse, 151, 207, 



212 



Chemical processes within cells, 3 

 Chlorosis in plants, 43, 158 

 Cholesterol, 100 

 Choroid, 221 et seq. 

 Chromatin, 114 



Chromoplasm filaments, 103, 108 

 Chromosomes, 103, 110 

 Chunder Bose, 158 

 Circulation in foetus, 22, 84 

 Clausius, 142 

 Climate and disease, 274 

 Cob nuts, 33 et seq. 

 Cochlea, the, 229, 231 

 Colour in seeds, 31 et seq. 

 Comparative insulations, 55 

 Condenser, construction of, 91 



, how shown, 171 

 Condensers in parallel and series, 



93 et seq. 



Conditions of the earth, 267 et seq. 

 Conducting layer of seeds, 23 et seq. 

 Conduction affected by heat, 74, 



246, 252 

 Conduction of stimuli in plants, 130, 



131 

 Conductivity, impaired, 258 



of air, 55 



Cones and rods, 221, 222 et seq. 

 Connective tissue, 87, 168, 172, 187, 



204 

 Connection of muscles and bones, 



172 et seq. 



Constancy of vegetable cells, 37 

 Constrictions of Ranvier, 195 

 Contraction of muscle, 52, 147 et 



seq., 159 

 Convection, 56 

 Conveyance of colour, 220 



Copper taping of wires, 163, 164 

 Corpus striatum, 216 

 Cucumber, 11 



Cucurbita pepo, cells from, 125 

 Curara and motor nerves, 158 

 Current, sign of, 244 

 Cytoplasm, 111 

 Czapec, 142 



DARWIN, 5, 270 



Daughter nucleus, 104 et seq., 109 



Davis, 39, 112, 157 



Davy, 141 



Dead muscle, 155, 159 



Deafness, nervous, 280 



Deflections given by vegetables, 9, 59 



Deflection of light rays, 220 



Dendrons and synapses, 74, 76, 78, 



168, 208, 212, 213 

 Dengue fever, 275 

 Diaster, in mitosis, 104 

 Diatomaceae, 112 

 Dielectric, 146 



, effect of heat upon, 251 

 treatment, 259 

 Differences of level, 256 et seq. 

 Differentiated nerves, 130 

 Diffusion, 89, 109 



,, , effect of upon vegetables, 



9 

 Dwnoea, reaction of to contact, 128, 



158 



Dioncea, digestive secretions of, 129 

 Disease in general, 260 

 Division of cells, 103 et seq., 117 

 Dobie's line, 145, 151 

 Drosera, digestive secretions of, 129 

 Du Bois-Reymond, 51, 152, 156 



E 

 EAR, the, 217, 228 et seq. 



, faults in, 232 

 Earth, conductivity of, 6, 7, 38, 43, 



274 

 Earth, electrical conditions of, 267, 



Earth connection, 242 



currents, 270 el seq. 



, sign of, 7 

 Earthquakes, 272 

 Edible chestnut, 27 et seq. 



parts of vegetables, 6 

 Effect of electrical stimulation of 



plants, 39, 40 

 Elastic tissue, 87 

 Elastin, 207 

 Electrical aspect of seeds, 22 et teq. 



