Xxiv CONTENTS. 



APPENDIX. 



Containing the analytical evidence referred to in the sections 

 in which are described the chemical processes of respira- 

 tion, nutrition, and the metamorphosis of tissues ... 279 



On the conversion of benzoic acid into hippuric acid in the 

 human body, by W. Keller ... ... ... ... 325 



INDEX ... ... ... ••. ..• ••• ••• oJa 



