562 DOMAIN VI. CARBONACEOUS. 



it will not burn till wholly ignited, and then slowly 

 consumes without caking or emitting flame or 

 smoke. The ashes are reddish and few. 



Our learned author unaccountably omits the 

 nature of the rock and gangart; nor does he re- 

 pair the deficiency in his geological essays. 



Aspect 1. Kirwanitefrom Kilkenny. 

 The same, with the gangart and specimens of 

 the incumbent rocks. 



Aspect 2. The Swansea kind also burns very 

 slow, without flame, and yields a strong and lasting 

 mass of heat, with a glowing colour. Swansea is 

 in the county of Glamorgan, South Wales, in a 

 more southern latitude than Kilkenny. 



Kirwanite from Swansea. 



