INDEX 



493 



Pfliiger, ii. no 

 Phat&nopsis, ii. 339 



Phanerogams, comparison with one 

 class of animals rather than with 

 one kingdom, ii. 281 



Phaseoli, crossing in, ii. 253 



Phaseolus vulgaris, sleep-movements 

 of, ii. 364 



Pheasants, display of colour by golden, 

 ii. 71 ; Hewitt on hybrids of, ii. 69 ; 

 hybrids between fowls and, ii. 223 ; 

 protective colouring, ii. 87 



Phillips, J., defines species, i. 127 ; 

 evolutionary views, i. 130, 141; Life 

 on the Earth, ii. 31 ; mentioned, ii. 31 



Hiillips-Jodrell, T. T., founder of 

 Jodrell Laboratory at Kew, ii. 416 



Philosophical Club, i. 131 



Philosophical experiments, few natural- 

 ists care for, ii. 321 



Philosophising, means and laws of, i. 



195 

 PhloXj Darwin's observations on flowers 



of, ii. 384 ; heterostylism of, ii. 298 ; 

 P. Drummondii, ii. 298 ; P. subulata, 

 ii. 298 



Phyllanthtis, F. Muller's paper in 

 Kosrnos on, ii. 368 ; sleep-move- 

 ments of, ii. 364-9 ; P. Nirnri, 

 sleep-movements of, ii. 364 



Phryma, de Candolle on, i. 442 ; 

 occurrence in N. America, i. 433 



Phyllotaxis, Darwin and Falconer on, 

 i. 208 



Physical conditions, effect of, i. 152, 

 164, 198, 212-14 



Physical Geography, Herschel's, i. 190, 

 191 



Physicists, disagree as to rate of cooling 

 of earth's crust, ii. 5, 7 



Physiological ^Esthetics, Grant Allen's, 

 i. 368 



Physiological germs, i. 300, 301 



Physiological selection, Romanes', i. 

 299 



Physiological species, Huxley's term, 

 ii. 271 



Physiological units, Herbert Spencer's, 

 i. 301 



Physiological variations, i. 291 



Physiology, Huxley's Elementary Les- 

 sons in, i. 274 ; Darwin on difficulty 

 of, ii. 432 ; Darwin's want of know- 

 ledge of, ii. 109 ; Darwin's work on 

 plant-, ii. 52, 419 ; England behind 

 in vegetable, ii. 429 ; small know- 

 ledge of ordinary doctors of, ii. 436 ; 

 and vivisection, ii. 436 



Phytophagic varieties, Walsh on, i. 261 



Phytophthora, potatoes and, i. 165 



Pickwick, quotation from, ii. 446 



Pictet, on the succession of forms, i. 

 258 ; mentioned, i. 166 



Pictet and Humbert, on fossil fishes of 

 Lebanon, ii. 160 



Pieris, breeding in confinement, ii. 96 ; 

 colour the result of mimicry, ii. 78 ; 

 protective colouring, ii. 88 ; P. napi, 

 Weismann on, i. 357 



Pigeons, breeding of, i. 134, 194 ; 

 drawings of, i. 130, 131; experiments 

 on crossing, i. 168, 212 ; experiments 

 bearing on direct action, i. 222 ; 

 production of varieties, i. 168, 212, 

 222, 322; reduction of wings, i. 171; 

 and sterility, i. 223 ; Tegetmeier's 

 work on, i. 322 ; Wallace on Malayan, 

 i. 265 ; Darwin's work on, i. 200, 223, 

 224 ; experiments in painting, ii. 59, 

 65 ; Flourens' experiments on, ii. 

 no; gay deceiver, ii. 69; pairing 

 for whole life, ii. 65 ; (Barbs), i. 130, 

 131 ; (Carriers), i. 134 ; (Fantails), 

 i. 230 ; (Laugher), ii. 382 ; (Pouters), 

 i. 134, 180; (Rock), i. 131, 164, 

 1 68, 171 ; (Runts), i. 130, 131 ; 

 (Tumblers), i. 130, 131 



Pigs, crossing of, i. 320 



Pikermi, Gaudry's Animaux fossiles de, 

 ii. 236 



Pinguicula^ Darwin's observations on, 

 ii. 401, 402 



Pistyll Rhiadr, i. 5 



Pisum, cross-fertilisation of, ii. 389 ; 

 P. satiz'um, visited by Bombus, ii. 391 



Pithecoid man, Huxley's term, i. 460 



Pithecus, Owen on Homo and, i. 178 ; 



237 

 Placentata, i. 57 



Plagiaulax, Falconer on, i. 210 



Planaria, i. 9, 10, 15, 19 



Planorbis, Hyatt on genesis of species 

 of, i. 393 ; P. mult if or mis ) graduated 

 forms of, i. 347 



Plantago, Lud wig's observations on, ii. 

 417 ; Darwin on, ii, 418 



Plants, change in animals compared 

 with change in, i. 116; comparison 

 between high and low as regards 

 resistance to injurious conditions, i. 

 418; contractility of, i. 216; differ- 

 ence between animals and, i. 197, 

 398 ; distribution of, i. 380, 423 ; 

 fossil, i. 135, 143, 377 ; of Madeira, 

 i. 143 ; morphological characters, i. 

 273; resemblance to animals, i. 398; 

 Saporta's work on fossil, i. 377 ; 

 small proportion preserved as fossils, 

 i. 135 ; splendid for helping belief in 

 Natural Selection, i. 387 ; thorns in, 



