. Contributions from the Department of Neurology and the Laboratory of Neuropathology (reprints). he right hemisphere at about its middleportion, cutting the fibers of the corona radiata, and extendingin a vertical direction for about half a centimeter. There wasalso a small hemorrhage in the left optic thalatnus. 729 JOHN H. IV. RHEIN Serial sections were made of the brain and also of the pons,medulla, and various parts of the spinal cord. Secondary degeneration was found in the occipital lobe, inthe fasciculus longitudinalis inferioris, optic radiations ofGratiolet, and the tapetum. The whit
. Contributions from the Department of Neurology and the Laboratory of Neuropathology (reprints). he right hemisphere at about its middleportion, cutting the fibers of the corona radiata, and extendingin a vertical direction for about half a centimeter. There wasalso a small hemorrhage in the left optic thalatnus. 729 JOHN H. IV. RHEIN Serial sections were made of the brain and also of the pons,medulla, and various parts of the spinal cord. Secondary degeneration was found in the occipital lobe, inthe fasciculus longitudinalis inferioris, optic radiations ofGratiolet, and the tapetum. The white matter of the cortexgoing to the calcarine region stained well. Secondary degenera-tion of the white matter could also be traced from the smallhemorrhage in the right corona radiata, in a downward direction,to the posterior segment of the internal capsule. This was veryslight, not extensive, and could not be traced as far as the footof the peduncle. Degeneration of the occipito-frontalis fiberswas also noted. Nowhere, however, in the entire motor tractcould any degeneration be Fig. 2. Case i. Degeneration of the occipito-frontalis bundle andinternal capsule. The second case, already reported before this society lastyear, was one of apraxia occurring in a blind man of 55, who was totally luiable to designate the position of the limbs; couldnot locate touch anywhere; could not recognize objects by thesense of touch; and his touch and temperature senses were ifn-perfect in the left hand. The left hand, though capable of somereflex acts, could not be moved voluntarily. The left hand wasapraxic, and apraxic phenomena were present in chewing andwalking. The left hand was held in a slightly contracted position,that is. partial flexion of the forearm upon the arm, and semi-flexion of the fingers. This could be passively overcome almostentirely, but there developed at the same time a tremor of both CAUSE OF CONTRACrrRES AND SPASTICITV 730 arms, especially the left. Ther
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