890 



MR. n. W. PALMER ON THE 



straight forwai'd. What exactly this represents is not clear, 

 It may possibly be a rudiment of the crucial. 



Text-%. 157. 



— -ol.b. 



— s.cm? 



Dorsal view of brain-cast of Anopl other ium. 



Lettering as in text-fig, 155, with addition of a.md., area medullaris ; f.sp., fissura 

 supi'apyramis ; s.cru.?, crucial sulcus (?) ; s.lat., lateral sulcus; sp., supra- 

 pyramis ; s.-pro., prorean sulcus; ttv., uvula; v., v' ., vessels. 



At this point a couple of blood-vessels, marked on the dorsal 

 surface of the cast, may be mentioned. On the right side, a 

 small transverse ridge in the middle of the hemisphere and near 

 the middle line may represent the course of one of the meningea,! 

 vessels or of a branch of the internal carotid artery. Branches 

 of this lattex' artery probably account for some of the obscurity of 



