. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. 292 MARSUPIALIA. Fig. 114. hemispheres are penetrated by an- fractuous fissures. In the Worn bat a large longitudi- nal fissure bounds the outer side of the natiform pro- tuberance and ol- factory tract at the base of the brain ; from the anterior moiety of this fis- sure three or four smaller ones curve upwards upon the sides of the hemi- spheres. On the upper surface a short transverse fissure marks off what may be regarded as the anterior lobe of the cerebrum, and behind this each hemi- sphere exhibits a few detached
. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. 292 MARSUPIALIA. Fig. 114. hemispheres are penetrated by an- fractuous fissures. In the Worn bat a large longitudi- nal fissure bounds the outer side of the natiform pro- tuberance and ol- factory tract at the base of the brain ; from the anterior moiety of this fis- sure three or four smaller ones curve upwards upon the sides of the hemi- spheres. On the upper surface a short transverse fissure marks off what may be regarded as the anterior lobe of the cerebrum, and behind this each hemi- sphere exhibits a few detached shallow fissures. In the Kangaroo (Jig. 115) these fissures be- come continuous and are deeper; a long and nearly transverse anfractuosity divides the upper surface of the hemisphere; behind the shorter fissure which marks off the anterior lobe, and between the two transverse fissures there is a longitudinal one bounding a con- volution that runs parallel with the median interspace of the hemispheres. The ante- rior lobes are also broken by small fissures; two or three long and moderately deep ones ascend upon the sides of the hemi- spheres («), and the posterior portion (6) presents occasionally small detached fissures. So far therefore as the external surface is con-. Brain of Dasyums wsinns. Fig. 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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