. Comparative zoology, structural and systematic. For use in schools and colleges. Zoology. 332 COMPARATIVE ZOOLOGY. ing. The lower jaw has longitudinal condyles, which work freely backward and forward in longitudinal fur-. FiG. 32G.—Incisor Teeth of the Hare. rows. Nearly all have clavicles ; and the toes are clawed. The cerebrum is nearly or quite smooth, and covers but a small part of the cerebellum. All are vegetarian. About two-thirds of all known Mammals are Rodents. They range from the equator to the poles, over every con- tinent, over mountains and plains, deserts and woods. Tlie. Plea


. Comparative zoology, structural and systematic. For use in schools and colleges. Zoology. 332 COMPARATIVE ZOOLOGY. ing. The lower jaw has longitudinal condyles, which work freely backward and forward in longitudinal fur-. FiG. 32G.—Incisor Teeth of the Hare. rows. Nearly all have clavicles ; and the toes are clawed. The cerebrum is nearly or quite smooth, and covers but a small part of the cerebellum. All are vegetarian. About two-thirds of all known Mammals are Rodents. They range from the equator to the poles, over every con- tinent, over mountains and plains, deserts and woods. Tlie. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Orton, James, 1830-1877. New York, Harper and brothers


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