£ i64 ] 



i4» Oolithus ; Pea-ftone^ Tranf. 1745, p. 



of Hot Springs. 378. 

 16. Ofteocolla ; Bone- 21. Lenticularis ; Solid 



binder. Vide Phil, j black fchiftofeToph, 



III. TERRiE. Earths, 



50. OcHRA. Ochres. Earths of Metals. 

 15 fpecies. 



a. In the form of Powder. 



I . Ferri Ochre of Iron, 



3. -/Eris ; Green Ochre of 



Copper, 



4. Cnpri Blue Ochre of 



Copper. 



7. Plumbi ; Native Ce* 



rufs, 



8. Cobalti; Ochre of Co- 



balt. 



b. Plumofe, or germinating Ochres. 



12. Cuprigo ; Copper 



Blue^ Plumofe 

 Copper. 



13. Stibigo; Flowers of 



Antimony. 



14. Argentigo ; Plumofe 

 Silver Ore^ with 

 fulphurated Anti- 

 mony and Arfe- 

 nic. 



51. Arena. Sands. 14 fpecies. 



1 1. Micacea ; Micaceous 

 or Glittering Sandy 

 writing Sand. 



12. Aurea j Gold Sand. 



13. Ferrea ; Iron Sand. 



14. Silicea j Flint Sand. 



X. Mobilis ; Sea Sand. 

 2. Colorata j Coloured 

 Sands. 



6. Glarca; Sand of Heaths. 

 9. Sabulam 5 Common 

 Sand. 



52. Argil« 



