46 ROYAL ASIATIC SOCIETY, (CEYLON BRANCH.) 



sapphire, and is very abundant at Ratnapura, Balangoda and 

 many other localities. 



Specimens exhibited, illustrating the Paper read. 



1 Gneiss — with large flesh-colored crystal of felspar. Balan- 



goda. 



2 Gneiss — with molybedenium from Petiagalla. 



3 Gneiss — with iron garnets. Kotagalla. 



4 Gneiss — with ordinary garnet. Madola, Sabaragamuwa. 



5 Gneiss — with quartz crystal, epidote, &c. Mahara, 



6 Lpidote and black mica. Ythanside, Dimbula. 



7 Gneiss from under gem-pits. Ratnapura. 



8 Gneiss with epidote. Ramboda. 



9 Hornblende pebble. Madola. 



10 Graphic granite. Balaugoda. 



1 1 Crude jasper. Balaugoda. 



12 Gneiss — decomposed. Abbotsford, Dimbula. 



13 Gneiss — decomposed , with epidote, chlorite, &c. Balaugoda* 



14 Quartz — with plumbago. Diatura, Kurunegala. 



15 Hornblende (crystalline.) Matale Railway. 



16 Mica — pebble. Dimbula. 



17 Mica — from cabook. Welikada, Colombo. 



18 Mica— much decomposed- Ratnapura. 



19 Iron conglomerate. From ravines, Dimbula. 



20 Iron ore. Dimbula. 



21 Decomposed gneiss from a slip on Matala railway, shewing 



the nature of " slickensides." 



22 Magnetite. Harmony estate, Pussellawa. 



23 Cabook. Colombo. 



24 Limonite (botryoidal). Negombo. 



25 Dolomite, with large crystal of mica. Nonpareil, Bilhul- 



oya. 



26 Dolomite, with epidote, &c, Aluwihara, Matale. 



