CONTENTS

OF

THE SECOND VOLUME.

PART XXXIII.

METALS.

E Paje

NUMERATION of metals. 2

Classification of metals_.....__

Natural history of metals_.............. 3

General physical properties of metals........ 4

PART XXXIV.

ARSENIC.

Sect. I . Natural history of arsenic... . 6

Properties of arsenic........_...... 7

Method of obtaining arsenic.___ 8

Sect. II.. ..Experimental proofs of the properties of arsenic g

Experiment I. II.....

III. IV. V. 10

VI. VII.^. 11

Analysis of ores of arsenic., ...

a