368 



INDEX OF SUBJECTS. 



Vacuoles, 113 



Vibrion, seplic, 193 



Vis viva, 73 



Vital projierties, theory of, 29 



et seq. 

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



physico-cliemical, 29 

 Vitality, phenomena of, 216 

 Vortex, vital, 105, 120, 22g ei 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 ; 

 converted into heat, 92; physio- 

 logical, 103 



Xanthic bases, 180 



Zones, metastable and labile, 301 



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