Structure of the Scuir--A stray Column--The Piazza--A buried Pine Forest the Foundation of the Scuir--Geological Poachers in a Fossil Preserve--_Pinites Eiggensis_--Its Description--Witham's Experiments on Fossil Pine of Eigg--Rings of the Pine--Ascent of the Scuir--Appearance of the Top--White Pitchstone--Mr. Greig's Discovery of Pumice--A Sunset Scene--The Manse and the Yacht--The Minister's Story--A Cottage Repast--American Timber drifted to the Hebrides--Agency of the Gulf Stream--The Minister's Sheep. 49 CHAPTER IV. An Excursion--The Chain of Crosses--Bay of Laig--Island of Rum--Description of the Island--Superstitions banished by pure Religion--Fossil Shells--Remarkable Oyster Bed--New species of Belemnite--Oolitic Shells--White Sandstone Precipices--Gigantic Petrified Mushrooms--"Christabel" in Stone--Musical Sand--_Jabel Nakous_, or Mountain of the Bell--Experiments of Travellers at _Jabel Nakous_--Welsted's Account--_Reg-Rawan_, or the Moving Sand--The Musical Sounds inexplicable--Article on the subject in the North British Review. 66 CHAPTER V. Trap-dykes--"Cotton Apples"--Alternation of Lacustrine with Marine Remains--Analogy from the Beds of Esk--Aspect of the Island on its narrow Front--The Puffin--Ru Stoir--Development of Old Red Sandstone--Striking Columnar character of Ru Stoir--Discovery of Reptilian Remains--John Stewart's wonder at the Bones in the Stones--Description of the Bones--"Dragons, Gorgons, and Chimeras"--Exploration and Discovery pursued--The Midway Shieling--A Celtic Welcome--Return to the Yacht--"Array of Fossils new to Scotch Geology"--A Geologist's Toast--Hoffman and his Fossil. 85 CHAPTER VI. Something for Non-geologists--Man Destructive--A Better and Last Creation coming--A Rainy Sabbath--The Meeting House--The Congregation--The Sermon in Gaelic--The Old Wondrous Story--The Drunken Minister of Eigg--Presbyterianism without Life--Dr. Johnson's Account of the Conversion of the People of Rum--Romanism at Eigg--The Two Boys--The Freebooter of Eigg--Voyage resumed--The Homeless Minister--Harbor of Isle Ornsay--Interesting Gneiss Deposit--A Norwegian Keep--Gneiss at Knock--Curious Chemistry--Sea-cliffs beyond Portsea--The Goblin Luidag--Scenery of Skye. 105 CHAPTER VII.