CONTENTS OF VOL, III. 



PHYSIOGRAPHY. 



ORDER XI. Glance . . . 1 



ORDER XII. Blende .* 31 



ORDER XIII. Sulphur % . . .47 



CLASS III. 



ORDER I. Resin . . . 56 



ORDER II. Coal . . Cl 



APPENDIX I. 



Minerals, the greater part of which will probably form in 

 future distinct Species in the Mineral System 67 



APPENDIX II. 



Minerals, Avhich will probably never form distinct Species 

 in the Mineral System . . 177 



Plates and Explanations . . .189 



Index . 289 



