[Sess. 
158 Proceedings of the Royal Society of Edinburgh. 
Groups. 
Eudiolite lujavrite, 32. 
Eurite, 4, 8. 
Felsite, 1, 1, 1, 4, 12. 
dark grey, 6. 
granular, 7. 
nodular, 4. 
pale green, 2. 
perlitic, 2. 
porphyry, 7, 11, 17. 
tuff, 2. 
Felsitic porphyry, 39. 
tuff, 3, 4. 
Felsophyre, 12. 
Felspar basalt, 54, 55. 
Felspathic dyke, 33. 
Fourchite, 53, 53. 
Foyaite, 15, 16, 32. 
elaeolite syenite, 24. 
Gabbro, 35, 36, 38, 38, 38, 42, 44, 45, 46, 46, 
46, 46, 46, 49, 51, 54, 55, 56, 56, 61, 
61, 61. 
banded, 45. 
dark banded, 52. 
diorite, 53. 
porphyry, 43. 
Glassy basalt, 44. 
Gneiss, 19, 24, 25. 
Granite, 2, 2, 3, 3, 3, 6, 6, 6, 7, 7, 7, 7, 7, 7, 
8, 8, 8, 8, 8, 8, 9, 9, 10, 10, 10, 11, 11, 
11, 12, 12, 14, 17, 17, 18, 18, 20, 21, 
38. 
gneiss, 2. 
normal, 12. 
red, 7, 13. 
rock, 3. 
porphyry, 3, 39. 
(Skiddaw), 9. 
white, 21. 
Granitite, 5, 6, 8, 9, 10, 12, 13, 37. 
gneiss, 10. 
Granodiorite, 12, 18, 18, 21, 21, 26. 
Granophyre, 11. 
Granulite, 7, 13. 
dolorite, 47. 
Greisen, 1, 
Grorudite, 7. 
Hanymeteplirite, 47. 
Hanynemonchiquite, 53. 
Hanynophyre, 48, 53. 
Hornbl. andesite, 11, 21, 22, 22, 25, 37, 38. 
augite diorite, 41. 
basalt, 35. 
dacite, 22. 
diorite, 39. 
gabbro, 54, 55, 56. 
granite, 5, 33, 37. 
hyp. dacite, 22. 
Hornblendite, 52. 
Hornblend lherzolite, 58. 
Groups. 
Hornblend mica gabbro, 44. 
picrite, 50. 
propylite, 19. 
Hornfels granulite, 20. 
Hyaloplasm dacite, 13. 
Hyp. andesite, 21, 22, 25, 25, 33, 33, 34, 34, 
37, 37, 38, 42, 42. 
anap. dacite, 21, 22. 
aug. andesite, li. 
dacite, 11, 11. 
diabase, 61. 
gabbro, 34. 
horbl. granite, 33. 
norite, 35. 
plag. basalt, 42. 
Igneous rock, 26. 
Ijolite, 47, 47, 47, 54. 
Kentallerite, 49. 
Keratophyre, 9, 11, 11, 16, 23, 24 29. 
tuff, 2. 
Kersantite, 12, 19, 20, 41. 
Konga diabase, 36, 39. 
Koswite, 62. 
Kulaite, 39, 48. 
Labradorite porphyrite, 55. 
rock, 27, 37, 46, 46, 47. 
Lamprophylite, 28. 
Lapilli, 36, 41. 
Laurdalite, 29, 30. 
Laurvikite, 24. 
Lava, 40, 41, 41, 48, 49, 49, 55. 
glassy, 39. 
Leptite, 4. 
Leucite absarokite, 62. 
basalt, 40, 40, 42, 46, 48. 
basanite, 48, 48, 53, 53. 
granite porphyry, 14. 
phonolite, 34. 
syenite, 46. 
tephrite, 45, 48. 
tinguarite, 31, 32. 
trachyte, 30. 
Leucitite, 32, 47, 48, 48. 
Leucitophyre, 32, 45. 
Lherzolite, 58, 61. 
Limburgite, 44, 50, 54, 55, 61, 62, 63, 64, 64. 
Liparite, 2, 4, 4, 5, 5, 5, 5 5, 5, 7, 8, 8, 11, 
12, 19. 
Lujavrite, 28, 28, 31. 
Magnetite gabbro, 64. 
Mai cite, 22. 
Mangerite, 40. 
Mariupolite, 23. 
Melitite basalt, 62, 64 
pyroxene rock, 61. 
Mesokeratophyre, 26 
Metaphyre, 37. 
