November, 1844.] 129 



Northumberland ; murio-arseniate of lead on manganese and quartz, 

 Cumberland; blue cupreous sulphate of lead, do.; diarseniate of 

 lead on quartz, do.; copper pyrites and quartz on sulphate of ba- 

 rytes, do.; copper pyrites, sulphuret of lead and quartz, do.; cop- 

 per pyrites and pearl spar on galena, do.; emerald copper, do.; 

 green carbonate of copper and calamine, do.; green carbonate of 

 copper on quartz and fluor spar, do.; green carbonate of copper and 

 copper pyrites on quartz, do.; green and blue carbonate of copper 

 on quartz and fluor, do.; green carbonate of copper and carbonate 

 of lime on fluor, Durham ; carbonate of copper and quartz, do.; 

 carbonate of copper and phosphate of lead on quartz, Cumberland ; 

 fibrous malachite, do.; peacock copper and galena, do.; cobalt, 

 bloom, do.; carbonate of manganese, do.; sulphuret of bismuth, 

 do.; phrenite, do.; slickenside, do.; wolfram, do.; mountain wood, 

 do.; fibrous witherite, do.; fibrous epidote and quartz, do.; cron- 

 stadite, do.; red haematite, Lancashire ; witherite, Northumberland ; 

 dolomite, Durham. 



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