Cox. — On the Mineralogy of New Zealand. 419 



and it is on this system that the minerals in the Colonial Museum have been 

 arranged. This is as follows : — 



Metallic Minekals. — Class I. 

 Brittle and fusible with difficulty. 

 Titanium Chromium 



Tantalium Uranium 



Tungsten Manganese 



Molybdenum Columbium. 



Metallic Minerals. — Class II. 

 Brittle, easily fusible an I volatile. 

 Arsenic Tellurium 



Antimony Bismuth. 



Metallic Minerals. — Class III. 

 Malleable, not reducible by heat alone. 

 Zinc Cobalt 



Cadmium Nickel 



Tin Iron 



Lead Copper. 



Metallic Minerals. — Class IV. 

 Noble metals, reducible by heat alone. 

 Gold Silver 



Platinum Iridium 



Mercury Osmium, etc. 



Non-metallic Minerals. — Class I. 



Water. 

 Non-metallic Minerals. — Class II. 



Carbon and Boron. 

 Non-metallic Minerals. — Class III. 



Sulphur and Selenium. 

 Non-Metallic Minerals, — Class IV. 



I Salts of Ammonia, Potash, Soda, Baryta, Strontia, Lime, 



Haloids and Salts \ T^ir • ^^ ■ t-t,, • -i ^ • 



) Magnesia, Alumma, Yttria, and Ceria. 



Non-metallic Minerals. — Class V. 



Earths. — Silica, Alumina, Magnesia, and their hydrates. 



Non-metallic Minerals. — Class VI. 



\ Silicates of Magnesia and Lime, hydrous and anhydrous. 



Silicates and Silicates of Alumina, hydrous and anhydrous. 



Aluminates. (Aluminates of Magnesia and Glucina. 



Silicates of Glucina, Zirconia, Thoria, and Yttria. 



