. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. FIG. 45. DORSAL SURFACE OF BRAIN OF TARSIUS SPECTRUM. [Actual Length, 21 mm.] Key to Diagkam. Cerebellum; front, lobe. Frontal Lobe; Oblongata; olf. bulb. Olfactory Bulb; sylv. fiss., Sylvian Fissure. Cebidae. The simple condition of the hemispheres of tarsius would seem, on the other hand, to represent the retention of definitely primitive characters in a brain in many other respects affected by marked progressive tendencies. ORBITAL CONCAVI
. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. FIG. 45. DORSAL SURFACE OF BRAIN OF TARSIUS SPECTRUM. [Actual Length, 21 mm.] Key to Diagkam. Cerebellum; front, lobe. Frontal Lobe; Oblongata; olf. bulb. Olfactory Bulb; sylv. fiss., Sylvian Fissure. Cebidae. The simple condition of the hemispheres of tarsius would seem, on the other hand, to represent the retention of definitely primitive characters in a brain in many other respects affected by marked progressive tendencies. ORBITAL CONCAVITIES AND OLFACTORY BULB The basal surface of the hemisphere presents two ill-defined orbital con- cavities although the orbits in tarsius are extremely large. The lack of prom- inence of these concavities is due to the fact that the frontal lobe is poorly developed. The olfactory bulb is large, protruding rostrad in front of the. 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 Tilney, Frederick, 1875-1938; Riley, Henry Alsop, 1887-. New York, P. B. Hoeber, inc.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbrain, booksubjectevo
