CONTENTS. 



Chapter I. — General description of area and rocks. 



Stratigraphy the principal object of investigation, 1. Area described, 3. Eastern 

 and Western Himalaya, Lower Himalaya, Sub-Himalaya, 4. True significance of 

 the distinction of Eastern and Western Himalaya, 7. One very marked geological 

 horizon, 9. Subathu group, 11. . Nahun group, 13. Sivalik group; doubtful rela- 

 tion of the two latter, 14. Table of formations, 17. Relations of past and present 

 conditions, 17. 



Chapter II. — The Himalayan Series. 



Lithological characters the only guide in observation, 21. Explanation of some 

 ambiguous terms, 22. Relative positions of altered and unaltered; the latter appa- 

 rently underlying, 23. Top rocks best seen about the Krol ; description of this sec- 

 tion, 23. Krol group, 25. Synclinal ridges, 27. Puzzling distribution of carbona- 

 ceous matter, 28. Infra-Krol beds, 29. Blini group, 29. Infra-Blini group, 33. 

 Peculiar metamorphic conditions at Simla, 33. Krol rocks at Simla, 34. Section 

 south of Simla, 36. Section north-east of Simla, 38. General remarks on the Simla 

 section, 39. The Chor mountain, 40. Identification of the Tons -valley limestones 

 43. Structure of the Chor, 45. The Simla synclinal, 47. Depressed position of the 

 Upper rocks in the Sutlej valley, 48. Conjectural explanation, 51. Identification of 

 the Sutlej valley limestone ; the Kukurhutti band, 54. Area of the Beas, 57. The 

 salt-rock of Mundi, 60. Section of the Dhaoladhar, 62. Termination of the oranit- 

 oid axis at Dalhousie, 64. Masuri ridge, 66. Fossiliferous limestone in the Tal 

 river, 69. Naini Tal and Almorah, 69. Distribution and age of igneous rocks, 70. 

 Cleavage, 72. Possible connection with rocks on the north of the snowy ran o-e 73. 



Chapter III. — The Subathti Group. 



Its position, extension, composition, 74. Considered as one group ; as a Sub- 

 Himalayan group, 75. Denuded surface of contact with the Himalayan rocks 76. 

 Bottom bed, 78. Original limitation of deposition, 81. Fossil evidence, 83. Krol 

 group not contorted prior to the deposition of the Subathu group, 86. Himalayan 

 elevation anterior to the Subathu group, 87. Subathu group east of the Ganges, 87. 

 Subathu group south of Kashmir, 89. Compared with the deposits of the Salt- 

 Range, 91. Subathu group upraised and denuded before the commencement of the 

 Nahun deposits; boundary not primarily a faulted one, 92. Notice of fossils, 97. 



