Abstract |
Contents: On a preliminary magnetic survey over the Pentland Fault, near Portobello, Midlothian, Scotland Correlation of the British and French Upper Coal Measures. On a carbonate-rock at Bad na h'Achlaise, Assynt, Sutherlandshire. The Blackness teschenite. The non-marine lamellibranchs of the Upper Carboniferous of Yorkshire and their zonal sequence. On a magnetic survey over the Lornty Dyke, Blairgowrie, Perthshire. Borings through the glacial drifts of the northern plain of the Isle of Man. Some Upper Carboniferous corals from South Wales. The lavas of Tweeddale and their position in the Caradocian sequence, with petrographical. notes by D Balsillie. |