Excerpt from Cassell's Natural History, Vol. 4 For Swallowing purposes - The Fangs and Poison lands of the Rattlesnake - Symptoms of Poisoning - How does the Po

Excerpt from Cassell's Natural History, Vol. 1 The Genus Vespertilio and the Family Vespertilionidae - Characteristics Nostrils - Tail - Ears - Dentition - Diet

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