. The brain of the tiger salamander, Ambystoma tigrinum. Brain; Ambystoma. ILLUSTRATIONS 381 Figure —Semidiagrammatic sagittal section of the adult brain, Golgi method. X 35. The section is oblique, with the dorsal side somewhat more lateral, cut in a plane which includes almost the whole length of the lateral forebrain bundles and tr. olfacto-peduncularis. In the tectal neuropil there are typical endings of the spinal lemniscus and tr. strio-tectalis (copied from '42, fig. 17). p 104 Figures 102, 103, /O^.^Three sagittal sections from the brain of a specimen fr
. The brain of the tiger salamander, Ambystoma tigrinum. Brain; Ambystoma. ILLUSTRATIONS 381 Figure —Semidiagrammatic sagittal section of the adult brain, Golgi method. X 35. The section is oblique, with the dorsal side somewhat more lateral, cut in a plane which includes almost the whole length of the lateral forebrain bundles and tr. olfacto-peduncularis. In the tectal neuropil there are typical endings of the spinal lemniscus and tr. strio-tectalis (copied from '42, fig. 17). p 104 Figures 102, 103, /O^.^Three sagittal sections from the brain of a specimen from Colorado prepared about two weeks after metamorphosis by the reduced silver method of Rogers. The sections are slightly oblique, with the dorsal surface and caudal end more medial. X 37. In this series of sections the courses of the tegmental fascicles can be clearly followed. These pictures are selected from a series published in 1936. Fig. 102.—The section passes through the middle of the gray substance of the tectum op- ticum at its widest part and shows the courses of the lateral forebrain bundles and lemniscus systems ('36, fig. 17). Fig. —Section taken mm. more medially and showing the arrangement of the more medial tegmental fascicles ('36, fig. 18). Fig. 104.—Section taken mm. more medially and about mm. from the mid-plane at the tuberculum posterius. It includes the interstitial nucleus of the f. longitudinalis medialis {) and the nuclei of the III and IV nerves ('36, fig. 22).. 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 Herrick, C. Judson (Charles Judson), 1868-1960. Chicago, Univ. of Chicago Press
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