This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 edition. Excerpt: ...and tame; they did not seem to be greatly disturbed or alarmed by our rock moving operations; we usually found the female, and occasionally the male, sitting quietly on its single egg, serenely looking at us with its big white eyes...