Chapter I Porto Praya—Ribeira Grande—Atmospheric Dust with Infusoria—Habits of a Sea-slug and Cuttle-fish—St. Paul's Rocks, non-volcanic—Singular Incr

The nature of the following work will be best understood by a brief account of how it came to be written. During many years I collected notes on the origin or d

"A Naturalist's Voyage Round the World - Voyage of the Beagle" from Charles Darwin. English naturalist and geologist (1809-1882).