ECONOMIC GEOLOGY. 103 



Bishop Caldwell from the cream-coloured calcareous grit quarried near 



Thissianvillai on the south side of the great 

 At Thissianvillai. t . mi i ^ ■, i 



Ittamoliteri. These three noble churches show 



the capabilities of the stone used to great advantage, for they are build- 

 ings of which even large towns in England might justly feel proud. 

 The churches are built almost entirely of stone. 



The last locality to be meutioned where these marine beds are being 



quarried is at Kudungkulam, where some of the 

 At Kudungkulam. • i i p • • 



stone is equal to that from the quarries just named. 



Only smaller objects, such as verandah posts or lamp posts, door frames 



and steps, troughs, &c., &c., were being turned out at the time of my visit. 



The massive tufa, of which so much was said above, is only used as 



rough stone, or for burning into lime. Elsewhere lime is obtained by 



burning the nodular tufa or kankar. 



( 103 ) 



