. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. 224 THE LOWER PRIMATES increase in coordinative control of the body as a whole. Such additional con- trol in coordination would arise from the profound readjustments occasioned by the assumption of the semi-erect posture and partial biped locomotion. FIG. 124. MYCETES SENICULUS. LEVEL THROUGH MIDDLE OF PONS VAROLII. CEN, Central Gray Matter; ctt. Central Tegmental Tract; cow. Ventral Spinocerebellar Tract; lf, Lateral Fillet; mf. Mesial Fillet; mcp. Middle C
. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. 224 THE LOWER PRIMATES increase in coordinative control of the body as a whole. Such additional con- trol in coordination would arise from the profound readjustments occasioned by the assumption of the semi-erect posture and partial biped locomotion. FIG. 124. MYCETES SENICULUS. LEVEL THROUGH MIDDLE OF PONS VAROLII. CEN, Central Gray Matter; ctt. Central Tegmental Tract; cow. Ventral Spinocerebellar Tract; lf, Lateral Fillet; mf. Mesial Fillet; mcp. Middle Cerebellar Peduncle; N4, Trochlear Nerve; N5, Trigeminal Nerve; PD, Predorsal Bundle; pl. Posterior Longitudinal Fasciculus; pn, Pontile Nuclei; pns, Pons; pv, Pyramid; REF, Reticular Formation; rst, Rubrospinal Tract; scp, Superior Cerebellar Peduncle; tur, Tractus Uncina- tus of Russel (Hook Bundle). [Accession No. 148. Section 305. Actual Size 15 X 10 mm.) as well as from the fact that the animal is now able to sit upon its haunches and in this position use its hands for various new purposes. Similarly the scattered bundles of the pyramidal system, although disseminated amidst the stratum complexum, present a greater degree of prominence in mycetes than they do in lemur or marmoset. They afford the basis for a structural. 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
