304 LÖNNBERG, ON DASYPUS MINUTUS. 



unites with, and opens into the great longitudinal, lateral sulcus, 

 which corresponds to the only superior one in the brain of 

 Tolypeutes (Garrod: Proc. Zool. Soc. 1878, p. 226—27). An- 

 teriorly to this superoparietal sulcus is a small depression. Cor- 

 pora quadrigemina seein to be covered. 



