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346 MAPS AND SECTIONS. 



Sheet 4. By James Geikie. (Auchingray and Blackloch.) Coal 

 Measures with dyke of Basaltic roek, Boulder Clay, Peat, AUuvium. 



Sheet 7. By James Geikie. (Shettlerton ; Coatbridge.) Carboni- 

 ferous Limestone, Millstone Grit, Coal Measures capped by the uncon- 

 formable red beds. Intrusive Basaltic rocks in sheets and dykes, 

 Boulder Clay, Gravel, Stratified Clays, Peat, Alluvium. Outcrops of 

 coal-seams, of a limestone in the Coal Measures at Hogganficld Loch. 

 Several alluvial patches indicating silted-up lakelets in Drift. 



Sheet 8. By James Geikie. (Airdrie.) Millstone Grit, Coal Mea- 

 sures with the unconformable red beds. Intrusive Basaltic rock in 

 sheets, Boulder Clay, Peat, Alluvium. Outcrops of coals and ironstones. 

 Coal-field much faulted. 



Sheet 9. By James Geikie. (Kirk of Shotts; Harthill.) Coal 

 Measures, Intrusive Basaltic rock in sheets, Boulder Clay, Gravel, Peat, 

 Alluvium. Outcrops of several coal-seams. Old water- course (below 

 the Boulder Clay) filled with sand. 



Sheet 11. By E. Hull and J. Geikie. (Bothwell.) Bedded mela- 

 phyres, porphyrites, and tuifs (L. Carboniferous), Carboniferous Lime- 

 stone, Coal Measures with the unconformable red beds. Basaltic rock in 

 dykes, Boulder Clay, Gravel, Brick-clay, Peat, Alluvium. Outcrops of 

 coal-seams. 



Sheet 12. By James Geikie. (Motherwell ; Newarthill.) Millstone 

 Grit, Coal Measures with the unconformable red beds. Intrusive Basaltic 

 rocks, Boulder Clay, Gravel, Alluvium. Outcrops of coals and iron- 

 stones. Coal-field much faulted. Pre- and interglacial river- courses 

 traced for several miles in the Coal-workings. 



Sheet 17. By James Geikie. (Hamilton ; East Kilbride.) Inter- 

 bedded melaphyres and porphyrites, with ashy shales, grits, and con- 

 glomerates (L. Carboniferous), Carboniferous Limestone, Millstone Grit, 

 Coal Measures with the unconformable red beds. Intrusive Basaltic 

 rocks, Boulder Clay, Gravel, Peat, Alluvium. 



Sheet 18. By James Geikie. ("Wishaw.) Carboniferous Limestone, 

 Millstone Grit, Coal Measures with the unconformable red beds, Intru- 

 sive Basaltic rocks in sheets and dykes, Boulder Clay, Gravel, Peat, 

 Alluvium. Outcrops of limestone, coal, and ironstone. Coal-field 

 very much faulted. Interglacial river courses. 



Sheet 19. By James Geikie. (Carluke.) Old Bed Sandstone, Cal- 

 ciferous Sandstone, Carboniferous Limestone, Millstone Grit, Coal Mea- 

 sures, Intrusive Eolstones and Basaltic rocks, Agglomerate Necks of 

 Permian age, Boulder Clay, Peat, Alluvium. Outcrops of limestones, 

 ironstones, &c., in the Carboniferous Limestone series at CarluJ^e, and 

 of coal and ironstone seams in Millstone Grit and Coal Measures. 



Sheet 23. By James Geikie. (Strathavon.) L. Old Red Sandstone, 

 L. Carboniferous bedded melaphyres, porphyrites, &c., with tufaceous 

 shales, grits, and conglomerates, Carboniferous Limestone, Coal Mea- 

 sures, Intrusive Basaltic rocks, Boulder Clay, Gravel, Peat, Alluvium. 



Sheet 25. By James Geikie. (Lanark; Braidwood.) L. Old Bed 

 Sandstone, Calciferous Sandstone, Carboniferous Limestone, Millstone 



