Of the Bogs in Ireland, 371 



u 500 grains of this charcoal yielded of deep reddish- 

 brown ashes 50 grains, which are chiefly composed of 

 oxide of iron. 



" No. 8 4 feet thick. 



"Mass very compact ; contains no vegetable remains ; 

 is seldom used as turf, owing to the unpleasant smell it 

 gives out when igniied. 



Colour, . . . . black. 

 " Fracture conchoidal in every direction ; lustre shining; 

 exhibits a strong resemblance to pitch or pitch coal ; and is 

 susceptible of a high degree of polish. 



Specific gravity .. .. 1*236. 

 (f Analysis. — 1,440 grains yielded, of volatile em- Grains. 



pyreumatic oil 124 



Water, containing oil that could not 



be separated . . 582 



Charcoal very compact, internal lustre 



strongly glistening . . . . • • 566 

 Gaseous product, which burned with 

 a bright light, but unpleasant 



smell . . 168 



1,440 



* 500 grains of this charcoal yielded 96 grains of brick- 

 red ashes, which are found to be chiefly composed of oxide 

 of iron. 



" No. 9 3 feet thick. 



u Marie ; colour, yellowish-white ; does not adhere to 

 the tongue. 



w 100 parts contain : Grams. 



Carbonate of lime . . . • 64 



Silex 24 



Alumine 12 



Too 



" No. 10 4 feet thick. 



" Yellowish-blue clay ; adheres strongly to the tongue, 

 " 100 parts are found to contain : 



Alumine 72 



Carbonate of lime . . . . . . 6 



Silex, coloured by oxide of iron 22 



Too 



i( Being very much pressed for time in making the fore- 

 going analysis, I have been obliged to attend merely to the 

 most useful results. I hope, however, in a future Report, 



2 A 2 to 



