1932] Poliak: Afferent Fiber Systems, Primate Cerebral Cortex 263 



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Fig. 58, Experiment II. This figure as well as figures 59-61, and 62 sliows 

 under higher magnification (about 60 x) the finer relations of the afferent 

 thalamic fibers witliin tlie somatic-sensory cortex. Figure 58 corresponds with 

 the anterior margin of the postcentral convolution or, what is the same, with 

 the posterior lip of the central sulcus. (Compare with fig. 9.) Some degenerated 

 fibers have an almost horizontal course witliin the lower cortical layers; others 

 ascend obliquely toward the stripes of Baillarger, a portion of which is seen in 

 the upper part of the figure. Note that only a few of the afferent fibers cor- 

 respond to the actual "radiated" fibers (brown vertical fascicles remaining 

 normal). Compare the number of afferent fibers with that in figures 60-62. 



