5. S. macrostigma (Algeria).
6. S. lemanus (Lake of Geneva).
7. S. brachypoma.—A migratory species from the rivers Forth, Tweed, and Ouse.
8. S. gallivensis (Galway Sea-trout).
9. S. orcadensis.—A non-migratory trout from Lough Stennis, in the Orkney Islands.
10. S. ferox.—The great Lake-trout of North Britain, Wales, and Ireland.
11. S. stomachicus (the Gillaroo of Ireland).
12. S. nigripinnis from mountain-pools of Wales.
13. S. levenensis (Lochleven Trout).
14. S. oxi from the rivers of the Hindu Kush.