346 INDEX. 



TIEDEMANN and GMELIN. Their attempt to support a goose upon al- 

 bumen alone, unsuccessful, 102. 



TISSUES, METAMORPHOSIS OF. See Metamorphosis. Analysis of the 

 animal tissues, 300. Formula of, 120. 



TOBACCO. Arrests or retards the change of matter, 170. 



TRANSFORMATION. See Metamorphosis. 



TURNIPS. Juice of, contains vegetable fibrine and albumen, 46. 



u. 



UREA. Derived from uric acid, 130, 133. Also from the oxidation 

 of blood, 133; from allantoine, 134. Its relation to choleic acid, 

 141: to hippuric acid, 143 ; to proteine, ib. ; to proteine and 

 starch, 145 ; to proteine and fat, 146 ; to taurine, 147 ; to carbon- 

 ate of ammonia, 151 ; to theobromine, 171. Its analysis, 309. 

 Occurs in the urine of those who have taken benzoic acid along 

 with hippuric acid, 317. 



URINARY CALCULI. See Calculus. 



URIC ACID. See acid, Uric. 



V. 



VARRENTRAPP and WILL. Their analysis of vegetable albumen, 283. 

 Of sulphate of potash and caseine, 284. 



VEGETABLES. Alone produce compounds of proteine, 102. Azotized 

 constituents of, nutritious, 44 ; rnedical or poisonous, 167. Analy- 

 sis of those vegetables which are used for food, 273 et seq. 



VEGETABLE LIFE. Distinguished from nervous life, 36. Predomi- 

 nates in the early stages of life, ib. Also in the female, 37. 



VENOUS BLOOD. See Blood. 



VITAL FORCE, or vitality. Definition of, 1 et seq. Theory of, 185 et 

 seq. 



VOGEL. His analysis of gas from the abdomen of cattle after excess 

 in green food, 299. 



w. 



WATER. Is one of the two constituents of the body which contain 

 no nitrogen, 43. Its use as a solvent, ib. Contributes to the great- 

 er part of the transformations in the body, 130, 133, 134, 135, 141, 

 145, 146, 147, 148, 149, 151, 170, 171. 



