Excerpt from Cassell's Natural History, Vol. 4 Divers - Characters - the auks - The Great Auk - Probably extinct - The Razor-bill The guillemot-mr. Seebohm's No

Excerpt from Cassell's Natural History, Vol. 2 Comparatively few of the fiesh-eaters are of direct use to man, at any rate while alive, yet one member of the gr

Excerpt from Cassell's Natural History, Vol. 3: Illustrated - Habits - Odour - the two-toed ant-eater - Appearance - Two-clawed Hand - Habits - Von Sach's Accou

Excerpt from Cassell's Natural History, Vol. 1 Ages - The True Position of the Bats - The Wing of the Bat - Gexieral Structure: The Breast-bone, Arms, Fingers.

Excerpt from Cassell's Natural History, Vol. 3 House - the lemming - Description -food Habits Disposition - Their Extraordinary Migrations - Other Lemmings - th