90 



DR THOMSON ON THE STRATA OF BERWICKSHIRE, 



Brought over, 



31 Good coal, 



32 Black dent, 



33 Limestone mixed with metal, 



34 Blue metal, 



35 Coal mixed with black dent, 



36 Brown freestone beds, 



37 Grey do., 



38 Blue metal, 



39 Grey freestone, with very hard sand, 



40 Black dent, . 



41 White metal, . 



42 "White hard freestone, 



43 Grey do., 



44 White do., with metal partings, 



45 Grey freestone beds, 



46 Coal, . 



47 Grey freestone, 



48 Grey freestone beds, 



49 Coal with blue metal, 

 60 Hard grey freestone, 



51 Brown freestone beds, 



52 Blue metal, 



53 Hard white freestone, 



54 Grey freestone bands, 



55 White metal, . 



56 Hard white freestone, 



57 Blue metal, 



58 Hard grey freestone, 



59 Soft freestone beds, 



60 Hard grey freestone, 



61 AVhite freestone beds, 



62 White metal, . 



63 Grey freestone beds, 



64 Hard white freestone, 



65 Blue metal, 



66 "V\ hite freestone, 



67 Blue metal, 



68 Limestone, 



69 Coal, . 



70 Blue metal, 



7 1 Grey freestone band, 



72 Coal, . 



73 Blue metal, 



74 Grey freestone bands 



75 Grey tiles, 



76 Limestone, 



77 Coal worked, called the Cooper-eye Coal, 



London, %th July^ 1835, 



31 



