'Centipede and toad' (poem), 



192 

 Cephalaspida, 27, 53 f. 

 Cephalaspis, 27, 189 

 Cephalochordata, 233, 243 

 Ceratopsia, 128 

 Cerebellum, 191 

 Cerebral cortex, 190 f. 



frontal lobes, 219-20 



function, 195 

 Cerebral hemispheres, 95, 



218 

 Chamberlain, T. C, 25 f. 

 Chamian revolution, 21, 26 

 Chimaeroids, see Elasmo- 



branchs 

 Chiroleptes, loo 

 Choanichithyes, 252 

 Chondrichythyes, see Elas- 



mobranchs 

 Chopin, 209 



B flat minor Sonata, 208 



'Black Key* Etude, Op. 10, 

 No. 5, 207 



'Butterfly' Etude, Op. 25, 

 No. 9, 207 



'Winter Wind' Etude, Op. 

 25, No. 11, 208 

 Chordata, 233 f. 

 Chromosomes, n 



hiunan, 12 

 Claspers, elasmobranch, 67 

 Clearance methods, 49 

 Cleidoic egg, 121, 271 

 Climate, factors afi^ecting, 9 

 Coal beds, 87 

 Coal Measures, 85, 88 

 Cobb, Stanley, 201 

 Coccosteus, 56 

 Coelacanths, 73, 256 

 Coelacanthini, 90 f. 



INDEX 285 



Coelomic cavity, 35, 244 

 Coelomostomes, 34, 36, 244 

 Colorado Mountains, 86, 118 

 Colorado River, 7, 26 

 Comparative physiology, 

 45 f. 

 importance, 48 

 Compsognathus, 128 

 Concentrating operation, in 

 mammalian kidney, 144, 

 146, 273 

 Consciousness, 197, 279 

 and 'Self,' 223 

 bibliography, 278 

 definition, 201 f., 216 

 dynamic function, 200 

 evolution, 31, 214-16, 280 

 localization, 218-20 

 Continents, 6, 7 

 Cordaites, 88 

 Cormorant ( PhalacrocoTax ) , 



166 

 Courtenay-Latimer, Miss, 90 

 Craster, Mrs. Edward, 191 

 Cretaceous, 128 



reptiles, 127 

 Crocodiles, marine, 172 

 Crocodile tears, 173 

 Crossopterygii, 72, 89-90 

 Cushny, A. R., 47 

 Ctjclorana, 101 

 Cynodontia, 122, 132 



Dart, R. A., 180 

 Darwin, Charles, 11 f., 14, 18 

 Darwin, Sir George, 6 

 Dasyatis uamak, 68 

 Descartes, R., 197 f-> 280 

 Desert animals, 148-60 



Hfe, 148 



plants, 150 



