NERVOUS SYSTEM. VERTEBRATA. 



235 



The latter joins the anterior extremity of the callosal 

 sulcus. 



The corpus callosum is short. There is a very large 

 vestigial hippocampus on its upper surface. 



Fig. 113. (xf.) 



Fig. 114. (x.) 



HIP. VEST 



OLF.BULB. 



OLF.PED. 



OLF. TUBER. 



FIM. 



COMM.ANT. ; 



PSAL, 



' PYR . L. 



HIPvTUBER. 



The other parts of the brain (vide fig. 112) are not unlike 

 those of Myrmecophaga, although there is no evidence of 

 any close affinity between the two forms. 



