INDEX 



851 



Plums in the United States, i. 12t 

 Pointer dog, origin of, i. 63 



, habits of, i. 355 



Poison not affectmg certain colored 



animals, i. 37 

 , 8'milar effect of, on animals and 



plants, iL 309 

 Pollen of fir-trees, i. 283 

 transported by various means, i. 



267, 278 

 Pollinia, their development, i. 331 

 Polyzoa, their avicularia, i. 328 

 Poole, Col., on striped hemionus, i. 



227 

 Potamogeton, ii. 185 

 Pouchet, on the colors of flat-fish, i. 



320 

 Prestwich, Mr. , on English and French 



eocene formations, ii. 113 

 Proctotrupes, i. 248 

 Proteolepas, i. 209 

 Proteus, i. 199 



Psychology, future progress of, ii. 314 

 Pyrgoma, found in the chalk, ii. 87 



QuAGGA, striped, i. 227 

 Quatrefages, M., on hybrid moths, ii. 



15 

 Quercus, variability of, i. 85 

 Quince, grafts of, ii. 24 



Rabbits, disposition of young, i. 355 



Races, domestic, characters of, i. 41 



Race-horses, Arab, i. 64 



, English, ii. 148 



Radcliffe, Dr., on the electrical organs 

 of the torpedo, i. 261 



Ramond, on plants of Pyrenees, ii. 1 61 



Ramsay, Prof., on subaerial denuda- 

 tion, ii. 59 



— Science — 32 



Ramsay, Prof., on faults, ii. 60-61 

 , on thickness of the British for- 

 mations, ii. 61-62 

 Ramsay, Mr., ou instincts of cuckoo, 



i. 360 

 Ratio of increase, i. 101 

 Rats supplanting each other, i. 1 16 



, acclimatization of, i. 201 



, blind, in cave, i. 197 



Rattlesnake, i. 280 

 Reason and instinct, i. 346 

 Recapitulation, general, ii. 276 

 Reciprocity of crosses, ii. 20 

 Record, geological, imperfect, ii. 54 

 Rengger, on flies destroying cattle, i. 



Ill 

 Reproduction, rate of, i. 102 

 Resemblance, protective, of insects, i. 



309-310 

 to parents in mongrels and hy- 

 brids, ii. 47 

 Reversion, law of inheritance, i. 40 



, in pigeons, to blue color, i. 223 



Rhododendron, sterility of, ii. 13-14 

 Ricliard, Prof., on Aspicarps, ii. 218 

 Richardson, Sir J., on structure of 



squirrels, i. 242 

 , on fishes of the southern hemi- 

 sphere, ii. 172 

 Robinia, grafts of, ii. 25 

 Rodents, blind, i. 196 

 Rogers, Prof., Map of JTonh America, 



ii. 70-71 

 Rudimentary organs, ii. 264 

 Rudiments important for classification, 



ii. 216 

 Riitimeyer, on Indian cattle, i. 45 ; ii. 

 16 



S 



Salamandra atra, ii. 266 

 Saliva used in nests, i. 383 

 Salvin, Mr. , on the beaks of ducks, i. 

 314 



