British Miner alogical Society. 89 



Specimen 1.5, on a very attentive examination by Mr. 

 Bingley, was found to contain 



Silex - - 72 



Alumine 8 



Oxide of iron - - 4 



Maltha - - 16 



Specimen 16, examined also by Mr. Bingley, yielded 

 Maltha - - 60 



Carbon - - - 37' 10 



Ashes - - - 2*10 



The proprietor Mr. Wood of Barbadoes. 

 Specimen 17. We have not yet the place from which 

 this specimen was obtained. It was analysed, without this 

 information, at the particular request of the proprietor, 

 Barker Chifney, esq. 



Mr. R. Phillips found it to contain, on analysis, 

 Antimony - - 2*75 



Lead - 8*21 



Copper - - a trace 



Oxide of iron 4 



Silex - - 68 



Sulphur and oxygen - 7*4 



Loss -» - 10 



Spec, gravity 2*976. 

 Specimen 18. A red micaceous substance from Shrop- 

 shire. As the analysis was for the metallic contents, which 

 were found to be inconsiderable by Mr. R. Phillips, it was 

 not deemed of sufficient importance for a humid analysis. 

 Proprietor Sir Corbett Corbett. 

 Specimen 19, a carbonat of copper from Cheshire. 

 The analysis, by Mr. A. Aik\n, gave 1 1-J- per cent, of cop- 

 per, 6 and T 3 oths of which may be obtained by simple fusion. 

 Proprietor Mr. Latham. 



Specimen 20. A lead ore from the parish of Llandegfar 

 in the isle of Anglesca. 



Mr. R. Knight's analysis of this ore gave 



125 grains of lead in 672 of the ore; 

 and Mr. Bingley's examination gave 



1 grain of silver in 166 of the lead. 

 Proprietor Barker Chifney, esq. 

 The 2 1st specimen is under examination. 

 Besides these regular specimens, the society have deter- 

 mined to analyse all such substances as a committee ap- 

 pointed for that purpose shall determine worthy of exami- 

 nation. 



Agreeably to that resolution, W. PI. Pepys has analysed 



the 



