. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. terior pair (testes) (8); a circumstance which is the converse of what exists in carnivorous quadrupeds. In other respects the structure of the brain in the Rodentia offers no pecu- liarity worthy of special notice. The organs of the senses conform strictly in their anatomical structure to the general type common to mammiferous quadrupeds, and consequently need not occupy our attention in this place. Fig. 280. Upper surface of the brain of the male Agouti. (After Stares.) a, the medulla spinalis; b, posterior pyramid; c,
. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. terior pair (testes) (8); a circumstance which is the converse of what exists in carnivorous quadrupeds. In other respects the structure of the brain in the Rodentia offers no pecu- liarity worthy of special notice. The organs of the senses conform strictly in their anatomical structure to the general type common to mammiferous quadrupeds, and consequently need not occupy our attention in this place. Fig. 280. Upper surface of the brain of the male Agouti. (After Stares.) a, the medulla spinalis; b, posterior pyramid; c, median lobe of the cerebellum; d, hemisphere of cerebellum; e, cerebral _hemispheres; /, olfactory lobe of the brain. On separating the hemispheres, the tuber- cula quadrigemina (fig. 280. 8, 9) are seen to be of very large size ; and, what is re- Fig. Base of the brain of the male Agouti. (After Serres.) p, pons Varolii; h, lobe of the hippocampus; g,f, lateral portion of cerebral hemisphere; k, anterior part of the lobe of the hippocampus; e, olfactory lobe; u, infundibulum. The nerves are indicated by corresponding numbers. markable, the anterior pair (nates) are of a roundish form, and much larger than the pos-. 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 Todd, Robert Bentley, 1809-1860. London, Sherwood, Gilbert, and Piper
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