MR MILNE ON THE GEOLOGY OF ROXBURGHSHIRE. 499 



18 F. Specimens of red and white gypsum, from strata of marl and clay on left bank of Tweed, half 

 way between Floors and Mackerston. 



19. Limestone from Limekiln Edge, near Windburgh ; extensively quarried. Apparently altered by 



heat from adjoining trap. 



20. Do. from Do. 



21. Do. from Carter Fell, on Cheviots ; extensively quarried. No shells have been found in it. 



22. Do. from Do. 



22 A. Coal sandstone, Eccop Hill (Cheviots). 



23. Coal sandstone I brown and gritty, from a glen between Minto village and Minto Manse. 



23 A. Marl, from Pinnacle Hill, opposite Kelso. 



24. Coal sandstone ? from foot of greenstone hill, opposite to Ancrum Church. 



25. Do. ? very gritty, from west side of Minto Greenhills, composed of tufa. 



26. Another specimen. 



27. Scales of Holoptichius, from old red sandstone, head of Wauchope Burn, east side of Windburgh. 



28. Do. of Do., from old red sandstone at Plewlands Quarry, near Maxton school-house. 



29. Do. of Do., of a smaller size, and probably belonging to a different species. From same locality. 



30. Mould of a palate or other part of Holoptichius, from Jed river, near Peel, in Southdean parish. 



Specimens of Sedimentary Rocks altered by heat. 



31. Yellow sandstone, very near Craigoer rock of basalt, opposite to Merton. The same stratum at a 



greater distance possesses the usual red colour of the formation. 



32. Coal sandstone slightly altered by felspar porphyry, from Teviot, below Heaton. 



33. Marly sandstone of coal formation, altered by overflowing mass of porphyry. Robert's Linn. 



34. Do. Do. Do. 



35. Do. Do. Do. 



36. Do. Do., from Bedrule Hill. 



37. Do. Do. Do. 



38. Do. Do. Do. 



39. Old red sandstone, or some lower member of the coal formation, altered by felspar porphyry. From 



Liddesdale, four miles west of note of the gate. 

 42. Pitchstone porphyry, veined with iron, from near Hownam. 



44. Jasper, from Jed, opposite Shaws, in the Cheviot porphyry. 



45. Cheviot porphyry, from Tofts. 



46. Do., from Letham. 



47. Pitnhstone porphyry. Hownam. 



48. Amygdaloidal porphyry. Chatto. 



49. Porphyry. Above Morebattle, on Kale Water. 



50. Felspar, from quarry west of Maison-dieu, near Kelso. 



51. Felspar porphyry, from between Kerseknow and Frogdean. 



52. Basalt \ Easter Softlaw. 



53. Clinkstone. On Tweed, below Maxton Manse. 



54. Felspar porphyry. Plewlands Burn. 



55. Felspar porphyry. Plewlands Burn. 



56. Amygdaloid, from opposite Mackerston. 



57. Felspar, from right bank of Tweed, above Mackerston. 



58. Felspar porphyry, from left bank of Tweed, below Mackerston. 



