INDEX 



423 



Photo-taxis or light guidance, 235 

 Picea, the genus of the Spruce or 



Christmas tree, 317 

 Pierre-^- voir, 167 

 Piltdown jaw, age of the, 289 



jaw and Heidelberg jaw compared, 

 286 



jaw, as reconstructed by Dr. Smith 

 Woodward, 288 



skull and jaw, 

 Pine, origin of the word, 304 



Aleppo, 322 



Arolla (Pinus cembra), 328 



Bhotan (Pinus excelsa), 329 



Californian prickly, 320 



cluster, or Pinaster, 322 



Corsican or Austrian, 322 



Monterey, or Pinus insignis, at 

 Bournemouth, 324 



Montezuma of Mexico, 329 



Pyrensean or Calabrian, 322 



stone, or parasol pine, 323 



trees and other conifers, 302 et seq. 



umbrella, of Japan, 330 



Weymouth (Pinus strobus), 328 

 Pipe-fish, 75 

 Pollen of pine trees carried by wind, 



304 



Ponds as nature-reserves, 27 

 Prawns, 99 



Primates, apes and bats, 238 

 Proteids, special, necessary in food, 



297 



Pseudotsuga, the Douglas fir, 327 

 Ptarmigan, 45 



Ptomaines of putrid fish, 357 

 Puteoli, near Naples, 52 



Quartz, 57 



crystals, rubbed together produce 

 flame, 67 



Raised beaches, 52 



Rats, experiments on feeding young, 

 294 



Razor -fish, 80 



Reasoning, the origin of false as well 

 as of true beliefs, 367 



Record, the Great, the peculiar posses- 

 sion of humanity, 271 



Redi, Italian naturalist, on the 

 generation of maggots by eggs 

 laid by flies, 126 



Regeneration of legs and tails, 218, 

 219 



Religion and magic, one in origin, 



369 



Reproduction, mechanism of, 181 

 Research, scientific, a delicate plant, 



411 



how to help it by money, 413 

 various attempts at promoting, 



411 

 Reserves for native fauna in various 



countries, 19 

 Rhabdopleura, 4, 5, 6, 7 

 Rice, polished, and berri-berri, 297 

 Rings of the body of crab, lobster, and 



prawn, 104 

 Rock-pools, 25, 8 1 

 Roman road, submerged, near Naples, 



5 2 

 Royal Society, its influence on 



superstition, 361 

 its motto, 128, 362, 407 

 the method of its founders, 362 

 Ruff, the display in courtship of the, 



St. Swithin's Day, belief about, ex- 

 ploded, 406 



Sagartia troglodytes, a beautiful sea- 

 anemone, 85, 88 



Samland, where amber is mined, Jo 



Sand, dry, shrinks when wetted, 64 

 of the seashore, 65 

 size and shape of its grains, 62 



Sand-eels, 79 



Sand-hoppers, 152 

 disease of, 156, 157 



Sardines, 360 



Savin, a kind of juniper, 308 



Scavengers, phagocytes as, 349 



Schliemann's great experiment, 406 



Schynige Platte, view from the, 160 



Sciadopitys, the Japanese umbrella 

 pine, 330 



Science and the unknown, 361 et seq. 



Scientific discovery aided by money, 

 408 et seq. 



Scorpions, cannibalism of, 202 



Scots fir, 305, 312 



Scurvy, infantile, described by Sir 



Thomas Barlow, 296 

 nature of that disease, 295 



Sea-anemones, 81, 84, 85, 86 



Seal, the Great Grey, 32 et seq. 

 the northern fur-seal, courtship of, 

 192, 193 



Sea-shells, 142 



