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.

Relation of the deep red stone of Cromarty to the Ichthyolite Beds
of the System--Ruins of a Fossil-charged Bed--Journey to Avoch--Red
Dye of the Boulder-clay distinct from the substance
itself--Variation of Coloring in the Boulder-clay Red Sandstone
accounted for--Hard-pan how formed--A reformed Garden--An ancient
Battle-field--Antiquity of Geologic and Human History
compared--Burn of Killein--Observation made in boyhood
confirmed--Fossil-nodules--Fine Specimen of _Coccosteus
decipiens_--Blank strata of Old Red--New View respecting the Rocks
of Black Isle--A Trip up Moray and Dingwall Friths--Altered color
of the Boulder-clay--Up the Auldgrande River--Scenery of the great
Conglomerate--Graphic Description--Laidlaw's Boulder--_Vaccinium
myrtillus_--Profusion of Travelle