CONTENTS. ' 



CHAPTER X 



GEOLOGY AND MINERALOGY. 



Geology and Mineralog}'— 1. Soils of India, viz. Soil of Bengal ; Cotton 

 Ground; Musaree Soil; Laterite Soil; Nitre Soil; Soda Soil; Salt 

 Soil— 2. Geognostical Structure and Composition of India— l.Him- 

 maleh or Alpine Region ; Its Rocks, Minerals, and Mines— 2. aiiddle 

 India ; Its Rocks, Minerals, and Mines— 3. Peninsular India ; its 

 Rocks, Minerals, and Mines— 4. Submergence and Upraising of Land— 

 5. Destruction of the ancient City of Ougein and other Places in India 

 by a Shower of Volcanic Ashes— 6. Earthquakes 223 



CHAPTER XI. 



CONSTIT0T1O5IS BEST SUITED TO INDIA— PRESERVATION OF HEALTH 

 ON BOARD OF SHIP AND AFTER ARRIVAL— MANAGEMENT AFTER RE- 

 TPRN TO EUROPE. 



A-'es most suitable for Recruits for Indian Service— Ages at which Offi- 

 cers may be sent out— Medical Examination of Recruits- Epilepsy- 

 Small-pox — Cutaneous Eruptions — Dyspepsia — Cautions against 

 Intemperance— Diet— Exercise— Danger of using Mercury— Gout- 

 Gravel— Complexions peculiarly dark and unusually fair— Rheuma- 

 tism— Mental Derangement— Scrofula— Consumption — Preservation 

 of Health on board of Ship, and after Arrival in India— Management 

 alter Return to Europe • ^''^ 



CHAPTER Xn. 



SPASMODIC CHOLERA. 



Symptoms— Persons most liable to the Disease— Predisposing Circum- 

 stances— Treatment— Precautions necessary to prevent its Attacks- 

 Symptoms and Treatment of the Disease in Britain 273 



CHAPTER XIU. 



HINDOO ASTRONOMY. 



Origin of Astronomy— Opinions of Bailly concerning the Antiquity of 

 that Science in India— Striking Coincidence between the Indian and 

 Arabian Zodiacs— Hindoo Computation of Time— Periodic Revolutions 

 of the Planets— Theory of Eclipses— Figure of the Earth— Determi- 

 nation of Latitudes and Longitudes— Moon's Parallax— Computation 

 of Eclipses and of a Solar Year— Antiquity of the Surya Siddhanta 

 and other Astronomical Works— Deficiencies and Errors of the Hindoo 

 System 279 



CHAPTER Xrv. 



HINDOO MATHEMATICS. 



Division of the Circumference of the Circle— Ratio of the Diameter to 

 the Circumference— Tables of Sines and Versed Sines— Mathematical 

 Treatises— Account of the Origin of the Lilavati— Its Contents- 

 Knowledge of Algebra •■• • ^"^ 



