454 



POISON. 



INDEX, 



SEA-WATEE,. 



Poison not affecting certain coloured 



animals, 9. 

 , similar effect of, on animals 



and plants, 425. 

 Pollen of fir-trees, 164. 

 transported by various means, 



154, 161. 

 Pollinia, their development, 1 95. 

 Polyzoa, their avicularia, 193. 

 Poole, Col., on striped hemionus, 



128. 

 Potamogeton, 346. 

 Pouchet, on the colours of flat-fish, 



188. 

 Prestwich, Mr., on English and 



French eocene formations, 300. 

 Proctotrupes, 142. 

 Proteolepas, 118. 

 Proteus, 112. 



Psychology, future progress of, 428. 

 Pyrgoma, found in the chalk, 284. 



Q. 



Quagga, striped, 129. 



Quatrefages, M., on hybrid moths, 



240. 

 Quercus, variability of, 40. 

 Quince, grafts of, 246. 



E. 



Rabbit, disposition of young, 211. 



Paces, domestic, characters of, 12. 



Race-horses, Arab, 26. 



, English, 323. 



Radcliffe, Dr., the electrical organs 

 of the torpedo, 150. 



Ramond, on plants of Pyrenees, 331. 



Ramsay, Prof., on subaerial denu- 

 dation, 267. 



, on thickness of the British 



formations, 268, 269. 

 -, on faults, 268. 



t 7 ' 



Ramsay, Mr., on instincts of cuckoo, 



213. 

 Ratio of increase, 50. 

 Rats supplanting each other, 59. 



, acclimatisation of, 113. 



, blind, in cave, 110. 



Rattle-snake, 162. 

 Reason and instinct, 205. 

 Recapitulation, general, 404. 

 Recriprocity of crosses, 243. 

 Record, geological, imperfect, 264. 



Rengger, on flies destroying cattle, 

 56. 



Reproduction, rate of, 50. 



Resemblance, protective, of insects, 

 181. 



to parents in mongrels and 



hybrids, 260. 



Reversion, law of inheritance, 11. 



, in pigeons, to blue colour, 127. 



Rhododendron, sterility of, 239. 



Richard, Prof., on Aspicarpa, 367. 



Richardson, Sir J., on structure of 

 squirrels, 139. 



, on fishes of the southern hemi- 

 sphere, 338. 



Robinia, grafts of, 246. 



Rodents, blind, 110. 



Rogers, Prof., Map of N. America, 

 274. 



Rudimentary organs, 397. 



Rudiments important for classifica- 

 tion, 367. 



Riitimeyer, on Indian cattle, 14, 

 241. 



S. 



Salamandra atra, 397. 



Saliva used in nests, 228. 



Salvin, Mr., on the beaks of ducks, 



184. 

 Sageret, on grafts, 246. 

 Salmons, males fighting, and hooked 



jaws of, 69. 

 Salt water, how far injurious to 



seeds, 325. 

 not destructive to land-shells, 



353. 

 Salter, Mr., on early death of hybrid 



embryos, 249. 

 Saurophagus sulphuratus, 141. 

 Schacht, Prof., on Phyllotaxy, 173. 

 Schiodte, on blind insects, 110. 



, on flat-fish, 186. 



Schlegel, on snakes, 115. 



Schobl, Dr., on the ears of mice, 172. 



Scott, J.,. Mr., on the self-sterility of 



orchids, 238. 

 , on the crossing of varieties of 



verbascum, 258. 

 Sea- water, how far injurious to 



seeds, 325. 

 not destructive to land-shells, 



325. 



