CONTENTS. 



CHAPTER I. 



PAGE 



The Composition of Buttee 1 



CHAPTEB It 

 Deteemination of the CoNaTiiuBius OF Buttee . . .11 



CHAPTER III. 

 MiCEOsoopio Examination of BtmBB 16 



CHAPTEB IV. 

 The Eusikg Point . . . . " 21 



CHAPTEB V. 



The Analysis of Btjttee-fat 37 



CHAPTEB VI. 

 Specific Geavht 76 



