329 



and Halmaheiia more complele. Tlie difference between them consists 

 ciiiefl}' in the eastern part of the northern peninsula of Halmaheira 

 being covered by the sea. 



llie row Formosa — Riukiu- Islands. 



The prolongation of the Sakishima-group is generally considered 

 to be linked to North-Formosa'), also by authors whose interpretation 

 of the known facts differs from the one that will be put forward 



Fig. 3. 

 Explanation of Fig. 2. 



lower down. The older strikes in the major part of Formosa are 

 N.N.E. approximately parallel to the longer axis of the island. In 

 North Formosa, however, their trend is about E — W, and they are 

 cut off by the eastern coastline. In the Sakishima-group of the Riukiu- 

 islands the strikes are irregular and are oblique or normal to the 

 trend of the row of islands, while in the major part of the Riukiu 



1) S. YosHiWARA, Geologic structure of the Riukiu Curve etc. Journ. Coll. of 

 Science, Tokyo. XVI. Part 1, 1901. 



