54 A.RT. 1.— B. KOTO: 



around the outer side of South Korea as far as to the mouth of the 

 Yan£r-tze-Kiano-. The two curves are said to enclose the land that 

 corresponds to the inner Staffelland of the Great Khingan (Hsin-gan) 

 and Taipanshan in China. The peninsula seems to have interested 

 our two masters almost as deeply as it has the political leaders of our 

 times. Let me try to reiterate what lias heen said in the present 

 paper in regard to the geomorphology of the peninsuln. 



i. Archaean formation composed, as elsewhere, of gneiss-granite, 

 gneiss and mica-schists, is thrown into broad, undulating folds on the 

 front side of the peninsula, in the western portion of the Han-land 

 and Paleo-Chyo-syon, becoming steeper as we go south. The axis 

 of folding stretches from S.S.W. to N.N.E., or S.W. to N.E. Two 

 prominent crests of this type are the No-ryöng and Chhya-ryöng 

 ranges which extend obliquely across Chyöl-la Do and Chhyung- 

 chhyöng Do. Besides, many small swellings of the crust-surface can 

 be seen in the Paleo-Chyo-syön Land, though deeply hidden under 

 the mask of Paleozoic formation. Nearly half of the area of the 

 peninsula is occupied by folds of this class. These specialized folds 

 should be classed, according to my view, with the Sinian System of 

 South China, as was originally intimated by PüMPELLY.^ 



It is a well-known fact that F. v. Pichthofen prolongs his ideal 

 line of the Sinian System to the frame- work of South Japan, a view 

 endorsed by Dr. E. Naumann, 2) and the late Harapa. 3) L. v. L6czy 4) 

 is, on the other hand, disposed to think that it is the Tching-ling-shan 

 that is prolonged to South Japan through the Hwai Mountains and 

 the mouth of the Yang-tze-Kiang where the Sinian System clings to 



1) See ante p. 14. 



2) Ueber den Bau und die Entstehung der jap mischen Inseln, Berlin, 1885. 



3) Die japanischen Inseln, S. 28. 



4) Die wissenschaftlichen Ergebnisse der Heise des Grafen Bßla Széchenyi in Ostasien, Bd. I, 

 03. 



