358 On Mineralogical Surveys. 



6. — General observations on the physiognomy of the sur- 

 face of the country, in relation to other countries. 



II. — Mineralogical Part. 



1. — Description of the different soils in connexion with 

 the fundamental rock, whether transported or untransported. 

 Chemical analysis of the more remarkable and curious soils. 



2. — Description of jungles, bogs, &c. their magnitude, 

 height above the level of the sea, various remains found in 

 them, uses, clearance, draining, &c., plants that grow on 

 their surface, and animals that live in and near them. 



3. — Description of marl beds, their length, breadth, 

 and depth, their height above the level of the sea, rocks 

 on which they rest, the substances with which they are in- 

 termixed, and the alluvial matter and soil which cover them. 

 Chemical examination of the different marls, and mode of 

 digging and searching for them. 



4. Description of the different rocks of which the country 

 is composed according to their various relations, age, &c. 



5. — Mineralogical description of the mineral veins and 

 beds that occur in the country. 



III. — Economical Part. 



1. — Description of the various kinds of ores found in the 

 country, with their distribution. 



2. — The mode of mining in particular spots depending 

 on their local situation, the expense of mining and quarry- 

 ing, and the particular tracts pointed out where trials of 

 greater or less extent may be advantageously carried on. 



3. — Descriptions of the different kinds of limestones and 

 marbles, quarter of the country where they occur, magni- 

 tude of the beds, mode of quarrying them, chemical analy- 

 sis of the different limestones and marbles in the country, 

 with the view of ascertaining their value in agriculture, 

 building, and statuary. 



