PLATE XXXIII. 



Fig. 1. — The same gorge (PL XXXII, fig. 3) of the Nak-tong-gaiig, as seeu 

 northwards from Mul-geum, now a railway statiou. The river is 

 making its way across an equatorial ridge of the Han-san system 



(p. 1<^). 

 Fig. 2. — View from the same spot, as in fig. 1, toward the south in the 



direction of the debouchure of the Nak-toug-gang. On the left we 

 see Ku-dök-san, built up of tuffs and sheets of porphyrite, and on 

 the right in the distance the mountaius of the same formation ou 

 the coast near Ung-chhyün (^^ë jl|) (footnote p. 17). 

 Fig. 3. — Chyöl-lyöug-do (|g §^ ^) or " Daer Island " beyond the harbor of 

 Fusan, as seeu from a hill of the Chinese settlement at Fusan 

 (cfr. n. I. fig. 1, PI. XXV. fig. 2, p. 135). 



