LIST OF PLATES. 
Plate I, fig. i. Profile of hills on leftside of R5tang river. 
fig. 2. Section from head of Parahio river to Kaga. 
„ II. Profile of carboniferous beds below Tang5, on left 
side of Lipak river. 
III. fig. 1. Section along right side of upper Gyundi river, 
fig. 2. Section of upper Jurassic beds behind Mini, 
fig. 3. Section from Lari to peak above Sopona. 
I, IV. Middle and lower trias in hills south-east of Muth. 
V. Section through the upper trias between the 
Spiti river and Ensa. 
VI. Unconformity in upper cambrian beds on right 
bank of Parahio river. 
VII. Junction of Cambrian and silurian beds on left 
side of Parahio river. 
, VIII. Hills behind Muth, seen from near Shi^n. 
^ IX. Palaeozoic beds in range between Parahio river 
and Muth. 
X, Muth quartzite on ridge between Teti and Tha- 
nam valleys. 
XI. Unconformity below Productus shales, showing 
manner in which the Muth quartzite dies out : 
left side of upper Thanam river. 
XII. Permian and triassic beds between Po and Thabo- 
XIII. Upper triassic beds on north side of Manirang. 
XIV. Upper trias, in cliffs above Spiti river between 
Chikkim and Hansi. 
XV. fig. Megizlodon Vimestone. 
fig. 2. Granite veins in cambrian slates above Naku. 
XVI. Masses of gypsum among carboniferous lime- 
stones, between Lipak and Yulang rivers. 
XVII. fig. I. Matrix of permian conglomerate ; specimen from 
Po. 
fig, 2. do. do, ; below Dankhar. 
fig. 3. Matrix of Simla boulder -slate. 
XVIII. Geological Map. 
