592 



Index 



Pfeffer, W., 22, 389-391, 394 



Pfitzner, W., 103 



Pflueger, 262 



Phillips, 361, 362 



Philosophy, influence of the conception of 



evolution on modern, 446-464 

 Phryniscus nigricans, 281 

 Phylogeny, embryology as a clue to, 173- 



176 



— Palaeontological evidence on, 188, 189, 

 204-217 



Physiology of plants, development of, 



223 

 Piccard, on Geotropism, 395, 396 

 Pickering, spectroscopic observations by, 



559 

 Piranga erythromelas, 297 

 Pisum sativum, 418 

 Pithecanthropus, 127-129, 131, 135 

 Pitheculites, 136 

 Planema epaea, 57 

 Plants, Darwin's work on the movements 



of, 385-400 



— geographical distribution of, 298-318 



— Palaeontological record of fossil, 200- 

 222 



Platanthera bifolia, 406 

 Plate, 27 1 

 Plato, 512, 513 

 Playfair, 342, 362 

 Pliopithecus, 127 

 Pocock, R. I., 284 

 Poincare, 543, 551, 552 

 Polarity, Yochting on, 234, 235 

 Polymorphic species, 69, 70 



— variability in cereals, 77-84 

 Polypodium incanum, 390 

 Porthesia chrysorrhoea, 263, 266 

 Potonte, R., 210 



Pouchet, G., 5 1 , 260 



Poolton, E. B., on The Value of Colour 

 in the Struggle for Life, 271-297 



— experiments on Butterflies by, 50, 261 



— on J. C. Prichard, 16 



— on Mimicry, 53, 54, 58, 59 



— 24 2 , 46, 55 1 , 65 1 , 201, 261 

 Pratt, 299 



Pratz, du, 158 



Premutation, 76 



Preuss, K. Th., 498, 505 3 



Prichard, J. C, 16, 17, 86, 90 2 



Primula, heterostylism in, 409-411 



P. acaulis, 410 



P. elatior, 410 



P. officinalis, 410, 411 



Promeces viridis, 283 



Pronuba yuccasella, 60 



Protective resemblance, 50-53, 275-281 



Protocetus, 195 



Protohippus, 191 



Psychology, 497-499 



Pteridophytes, history of, 213-217 



Pteridospermeae, 211-213, 220 



Pucheran, 324 



Pusey, 115 



Quatrefages, A. de, 12 2 , 16 

 Quetelet, statistical investigations by, 72, 

 225, 235, 534 



Rabl, 0., 103 5 



Radio-activity, 569-582 



Radiolarians, 25 



Raimannia odorata, 244 



Ramsay, Sir W. and Soddy, 573 



Ranke, 531, 533, 536, 541 



Rau, A., 142 



Ray, J., 5 



Reade, Mellard, 307, 377 



Recapitulation, the theory of, 174-176, 182 



Reduction, 182, 183, 202, 203 



Regeneration, 96 1 , 233, 234 



Reid, C, 315 4 



Reinke, 200, 201 



Religion, Darwin's attitude towards, 496 



— Darwin's influence on the study of, 

 494-511 



— and Magic, 504-511 



Religious thought, Darwin's influence on, 



477-493 

 Renard, on Darwin's work on volcanic 



islands, 371, 372 

 Reproduction, effect of environment on, 



230-232 

 Reptiles, history of, 196, 197 

 Reversion, 68, 119 



Rhinoceros, the history of the, 192, 193 

 Ridley, H. N., 115 4 

 Riley, C. V., 280 

 Ritchie, 469 

 Ritual, 503 



Roberts, A., 556-560, 562 1 

 Robertson, T. B., 256, 258 

 Robinet, 7 

 Rolfe, R. A., 407 1 

 Rolph, 461 



Romanes, G. J., 5 1 , 13, 25, 42, 150, 486 

 Rothert, 393, 394 

 Roux, 104\ 141, 142, 262 

 Rozwadowski, von, 516 1 



J 



