Yellow-hued Houses of Elgin--Geology of the Country indicated by the coloring of the Stone Houses--Fossils of Old Red north of the Grampians different from those of Old Red south--Geologic Formations at Linksfield difficult to be understood--Ganoid Scales of the Wealden--Sudden Reaction, from complex to simple, in the Scales of Fishes--Pore-covered Scales--Extraordinary amount of Design exhibited in Ancient Ganoid Scales--Holoptychius Scale illustrated by Cromwell's "fluted pot"--Patrick Duff's Geological Collection--Elgin Museum--Fishes of the Ganges--Armature of Ancient Fishes--Compensatory Defences--- The Hermit-crab--Spines of the Pimelodi--Ride to Campbelton--Theories of the formation of Ardersier and Fortrose Promontories--Tradition of their construction by the Wizard, Michael Scott--A Region of Legendary Lore. 307 CHAPTER V. Rosemarkie and its Scaurs--Kaes' Craig--A Jackdaw Settlement--"Rosemarkie Kaes" and "Cromarty Cooties"--"The Danes," a Group of Excavations--At Home in Cromarty--The Boulder-clay of Cromarty "begins to tell its story"--One of its marked Scenic Peculiarities--Hints to Landscape Painters--"Samuel's Well"--A Chain of Bogs geologically accounted for--Another Scenic Peculiarity--"_Ha-has_ of Nature's digging"--The Author's earliest Field of Hard Labor--Picturesque Cliff of Boulder-clay--Scratchings on the Sandstone--Invariable Characteristic of true Boulder-clay--Scratchings on Pebbles in the line of the longer axis--Illustration from the Boulder-clay of Banff. 324 CHAPTER VI. Organisms of the Boulder-clay not unequivocal--First Impressions of the Boulder-clay--Difficulty of accounting for its barrenness of Remains--Sir Charles Lyell's reasoning--A Fact to the contrary--Human Skull dug from a Clay-bank--The Author's Change of Belief respecting Organic Remains of the Boulder-clay--Shells from the Clay at Wick--Questions respecting them settled--Conclusions confirmed by Mr. Dick's Discoveries at Thurso--Sir John Sinclair's Discovery of Boulder-clay Shells in 1802--Comminution of the Shells illustrated--_Cyprina islandica_--Its Preservation in larger Proportions than those of other Shells accounted for--Boulder-clays of Scotland reformed during the existing Geological Epoch--Scotland in the Period of the Boulder-clay "merely three detached groups of Islands"--Evidence of the Subsidence of the Land in Scotland--Confirmed by Rev. Mr. Cumming's conclusion--High-lying Granite Boulders--Marks of a succeeding elevatory Period--Scandinavia now rising--Autobiography of a Boulder desirable--A Story of the Supernatural. 336 CHAPTER VII.