344 INDEX. 



R. 



REGNAULT. His analysis of morphia, 314. 



REPRODUCTION OF TISSUES. See Nutrition. 



REPRODUCTION OF THE SPECIES, 37. 



RESPIRATION. Theory of, 263 et seq. Its connexion with the food 



and with animal heat, 11 et seq. 

 RHENISH WINES. Contain so much tartar, that their use prevents 



the formation of uric acid calculus, 133. 



S. 



SALT, Common. Essential to the formation of bile in the herbivora, 

 and to that of gastric juice, 153 et seq. 



SAUSSURE, DE. His analysis of grape sugar and of starch sugar, 

 286 ; of wax, 296. 



SCHERER, DR. Jos. His analysis of albumen from serum of blood, 

 282 ; of fibrine of blood, ib. ; of vegetable fibrine, 283 ; of vegeta- 

 ble caseine, 284 ; of animal caseine, ib. j of proteine from different 

 sources, 297 ; of albumen from white of egg, 298 ; of albumen from 

 different sources, 300 ; of fibrine, 301 ; of gelatine from different 

 sources, ib. ; of tissues containing chondrine, 302 ; of the tunica 

 media of arteries, ib. ; of horny tissues, ib.; of the lining mem- 

 brane of the egg, 303 ; of feathers, ib. ; of the pigmentum nigrum 

 oculi, ib. Results of his researches, 120, 121. 



SECRETIONS. See Bile and Urine. 



SEGUIN. His calculation of the amount of inspired oxygen, 271. 



SERPENTS. Their excrements consist of urate of ammonia, 53. The 

 process of digestion in them, 53. 



SLEEP. Theory of, 217. Amount of sleep necessary for the adult, the 

 infant, and the old man, 236 et seq. Induced by alcohol or wine, 

 228. 



SODA. Essential to blood and bile, and derived from common salt, 

 153 et seq. 



SODIUM, Chloride of. See SALT. 



SOLANINE. Contains nitrogen, 168. Its analysis, 313. 



STARCH. Exists in the food of the herbivora, 68. Is convertible 

 into sugar, 69. Its relation to gum and sugar, 71. Its function in 

 food, ib. et seq. Amount of carbon in starch compared with that in 

 flesh, 73, 74. Its composition compared with that of fat, 81, 86. 

 Is the source of diabetic sugar, 91. Is an element of respiration, 



