368 



INDEX OF SUBJECTS. 



VACUOI.ES, 113 



Vibrion, septic, 193 



Vis viva, 73 



Vital properties, theory of, 29 



et seq. 

 Vitalism, 6, 7, Chap. iii. passim : 



physico-chemical, 29 

 Vitality, phenomena of, 216 

 Vortex, vital, 105, I2O, 229 et seq. 

 Vulcans, 26-7 



WEIGHT, energy of position, 64 ; 

 conservation of, 65 ; movement 

 under action of, 271 et seq. 



Work, 70, 72 ; and force, 74, 77 ; 

 convened into heat, 92 ; physio- 

 logical, 103 



XANTHIC bases, 180 

 i ZONES, mctastable and labile, 301 





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