Vol. XLUL, Art. 5.— T. lûito; 



Fig. 2. VieAv of the precipitous m-i i . . md deep valleys in the Akénobé 



district, ns seen from the summit of Suruga miné. 



Compare with Fig. 3. a = Akenobè valley. 



Fig. y. View of the middle course of the Yoshii-gawa valley, from a height 



uear the Yanahara mine in the province of Mimasaka. 



Note the elevated peneplain dissected by rejuvenated rivers, the 



characteristic topography of the central part of Chôgoku. 



a = Yoshii River. 



of a high peak in this district, however, we can find here and 

 there ratlier indistinct rehcs of the original plateau or elevated 

 peneplain, tliongli the average height is much greater than in the 

 obher parts of Chûgokii. It is certain, therefore, that this district 



