Part III.—Nature Lore.

The Story of the Rocks: “Sermons in Stones,” 271 “Books in the Running Brooks,” 276 Cliffs and Beaches, 284 The Age of Ice, 289 Orkney Fossils, 292

A Peat-Moss, 296

Some Common Weeds, 305

Home Life on the Rocks: Guillemots, 312 Seals, 317 Shags, 320

The Birds of Sule Skerry, 328 The Residenters, 330 The Regular Visitors, 334 Occasional Visitors, 346

Common Seaweeds, 352

Crabs, 361

Hoppers and Sholties, 372

Sea-Anemones, 378