MINERALS. 129 



DIVISION 4. 



Section 8 3rd Stries,- Berates combined with Chlorides, Ac. 

 No specimens. 



Section 9 Nitrates. 



Nitrate of Potash, or Saltpetre. East Mies. 

 Nitratine, or Nitrate of Soda. Iqu'qui, Peru. 



Section 10. 



1st Ser'es, - Phosphates, Arsenates and Vanadates. 



Turquoise. Ceylon. 



Chalcophyllite. Corn roll. 



Stercorite* From the Guano on the Chincha Islands, Peru. 



Guanoxalite. Chincha Islands, Peru. 



Guanapite. 



Oxammite. 



Copper Phosphate. 



Tobernite. Cornwall. 



Pharmacosiderite. Cornwall. 



Autunite. Nivolano Mine near Motidooi, Italy. 



(Ten tons of pure Autunite yield one gramme of Radium.) 



2nd Series, - Phosphates, &c. combined with Chlorides, &c. 

 Apatite. Canada. 



