CONTENTS. 



Art. 1. — The Cachar Earthquake of 10th January 1869, by the late 

 Thomas Oldham, LL. D., F.R.S., 8fc, Superintendent of the 

 Geological Survey of India, edited by R. D. Oldham, 

 A.R.S.M., Geological Survey of Iadia. 



Introduction. 



Chapter I. — General description of the effects of the earthquake 

 „ II. — More lengthy notices of the earthquake 



HI. — The earth fissures and sand craters, and their origin 

 IV. — The position and extent of the seismic vertical 

 V. — Of the depth of the seismic focus . 

 VI. — Of the velocity of motion of the wave particle 

 VLI. — Of the rate of translation of the wave . 

 Vin. — Of the shape and extent of the seismic area . 

 Appendix. — Simple instructions for earthquake observations. 



Page 



4 

 35 

 46 

 60 

 66 

 71 

 81 

 85 



Art. 2. — The Thermal Springs of India, by the late T. OIdham, LL.D., 

 F.R.S., fyc, Superintendent of the Geological Survey of 

 India, edited by R. D. Oldham, A.R.S.M., Geological 

 Survey of India. 



Art. 3. — A Catalogue of Indian Earthquakes from the earliest time to 

 the end of A.D. 1869, by the late T. Oldham, LL.D., 

 F.R.S., 8fc, Superintendent of the Geological Survey of 

 India. 



Art. ^.—-Report on the Geology of parts of Manipur and the Naga 

 Hills, by R. D. Oldham, A.R.S.M., Geological Survey of 

 India. 



