PLATE X. 



Fig. L — Yndal-Han (PL TX. fig. o) as soeu beyond a shallow iulet from tlio 

 north iu the terraiio of porphyritic masanito ou the way to Mn-aii. 

 Ou the eastern slope and at its foot are located the Japanese settlement 

 and port of INFok-pho. The mountain app3ars at first sight to be a 

 yolcano-ruin for Avhioh it might be easily mistaken especially iu 

 consideration of the rhyolitic aspect of tlio rock which builds up 

 the eleyati(Mi (]>. 70). 



Fig. 2. — ^Yiew from a denuded liilly flat east of Mu-an (^ -^) toward 

 the uortliAvest iu the direction of Ham-phyöug. In background 

 may be seen a regular crest of uplifted graphite-schist (the 

 Metamorpliic Mesozoic) and in foreground eroded hills of purplisli 

 claystone-porphyry (}\ 72). 



Fig. o. — An Alluyial tract of paddy fields to Avhich I descended from the 

 hill (fig. 2 aboye). To the southwest is seen the flat-topped 

 Kong-su-boug (^ 7jc lll§) "f red porphyry on a base of masanite 

 which rises on the south of the eumnai of Mu-aii. 



