Eight or ten hours of a sleety day in February which he had spent, cold and hungry, wading in the shallows of the Firth of Forth .... 'I had nothing to eat or drink, I was wet through, my hands were half-frozen, and I was chilled to the marrow; but, gentlemen, I was amply rewarded: I became the happy possessor of no less than three of these beautiful creatures, these Dorises (sea slugs)' and he held up a phial containing three hardly visible little bladder like animals.
Charles Darwin recalling Robert Grant
