XtV CONTENTS.

Iridium page 436
Rhodium 437
Mercury,orMercurium 438
Silver, or Argentum 443
Go)d,orAurum 446
Platinum 448
Arsenic, or Arsenicum 453
Molybdenum 459
Chromium 462
DIVISION VI.

OF SOME SUBSTANCES, THE NATURE OF WHICH
IS NOT YET CERTAIKLY KNOWN.

Preliminary Observations 465
Of the Fluorie Principle ib.
Oftbe Ama!gam procured from ammoniacal Com-
pounds 473
DIVISION VU.

ON THE ANALOGIES BET\EEN THE UNDECOM-
POUNDED SUBSTANCES, SPECULATtOKS RE-
SPECTING THEIR NATURE; ON THE MODES OF
SEPAR ATING THEM, AND ON THE RELATIONS
OF THEIR COMPOUNDS.

Of the Analogies between the undecompouuded Sub-
stances Ideas respecting their nature 478
Of the Analogies between the primary Compound;,
and on their chemical Relations 490
On the relative Attractions of the uhdecompoaed
Substances for each other 497
On the Melhods of separating the undecomposed
Bodies from each otber 499
General Observations, and Conclusion of Part First Ma