. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. QUADRUMANA. 2iy quattior digilorum pcdis, which are united in the same manner as in the monkeys. They both give tendons to the toes, of which each receives consequently two tendons. The plantar surface of the tendon of thejftexor magnus qua- tuor digilorum give off four lumbrical muscles. Instead of & flexor brevis there are but small tendons, which bifurcate for the passage of the tendons of the flexor magnus hallucis, and magnus quatuor digilorum pcdis. The tibialis posticus is very strong. The small mus- c
. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. QUADRUMANA. 2iy quattior digilorum pcdis, which are united in the same manner as in the monkeys. They both give tendons to the toes, of which each receives consequently two tendons. The plantar surface of the tendon of thejftexor magnus qua- tuor digilorum give off four lumbrical muscles. Instead of & flexor brevis there are but small tendons, which bifurcate for the passage of the tendons of the flexor magnus hallucis, and magnus quatuor digilorum pcdis. The tibialis posticus is very strong. The small mus- cles of the posterior thumb or great toe are the abductor, the flexor brevis, and the adduc- tor. Their strength is connected with the mobility and with the removed position of the posterior thumb, giving a great deal of agility to the Stenops in his climbing motions. NEUROLOGY.—TheencephalonoftheZ/fw«- is only known by the dissection of the Lemur mangos and of the Stenops and tardigrddus. Science is indebted for the first to TIEDEMANN, and for the two last to SCHRCEDER VAN DER KOLK and to myself. The encephalon of Lemur mangos seems superior to that of Stenops, by the larger development of the hemispheres, the greater breadth of the anterior lobes, the more numerous convolu- tions and deeper aufractuosities, but otherwise they offer the same type. I have minutely described the brain of the Stenops lardigradits in my paper on this animal, and I mentioned there the small development and the asyme- try of the hemispheres (Jig. 139), the triangu- lar form of the anterior lobes, the few convo- 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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