LIST OF ILLUSTRATIONS. 



Maps and Sections. 



Geological map of part of the district of Trichinopoly to face p. 219 



Geological section from the Chalk Hills, near Salem, to the sea at ^ 



Negapatam ... ... ... ... ... ^,_ 234 



Map showing position of iron-beds in KunjamuUay Hill, near Salem, „ 379 



Sketch map of Assam and adjoining districts ... ... .,. „ 387 



Plates. 



View near Ootatoor ; denudation of Gypseous clays ... ... „ 83 



Capper's Hill, near Cuddalore ... ... ,.. ... ,, 165 



Irregular bedding, near Alundanapuram ,., ... ... ,, 120 



Cliffs of magnetic iron, on the Godamullay ... ..." ... „ 283 



Tor, near Malayanur ... ... ... .„ ... ^^ 302 



Pagoda, on coast near Tranquebar ... ... ... ... ^^ 363 



KunjamuUay Hill ... ... ... ,., ... ^ gS2 



Sketches, &c. 

 Belations of Regur and Alluvium, near Paroovalapoor 

 Concretion in plant-beds, near Coodicaud 

 Coral-reef limestone, near Muddam, Tripatoor 

 Relations of beds, near Muddam 

 Limestone ridge, near CuUygoody 

 Boulder-bed, Coral-reef limestone, and Trichinopoly beds, north of 



Cullygoody 

 Large concretion in Ootatoor shales ... 

 Apparent unconformity, near Maravuttoor 

 Limestone on shales ; apparent \mconformity ... 

 Sketch section of rocks, near Olapaudy 

 Boulder-bed, Malarasure 

 Sketch section of the Trichinopoly group 

 Silicified wood, near Moulvoy 



Unconformity of Trichinopoly and Ootatoor groups, near lUpagoody 

 Section of red-soil in gravel pit, near Kydoor ; S. Arcot 

 Section across valley of the Yellaur Eiver 



Section of red sandy soil in the Velur quarry, near Verdachellum ... 

 Section of Shillagoody Hill, showing relation of Regur and sandy soil 



30 

 45 



64 

 61 

 62 



65 



81 



86 



90 



95 



96 



114 



118 



119 



180 



181 



186 



189 



