236 



Abstract of proceedings of the 



[No. 30. 



of the raising of the soil, alterations in its produce consequent thereupon, and all 

 other details. 



10. Memoranda relative to the formation or destruction of river-banks, is- 

 lands, &c. with measurement il obtainable. 



11. Samples of all kinds of efflorescent salt-earths, with specimens of the 

 different salts prepared from them, prices of preparation, selling rates, and ac- 

 counts of the processses aud uses of the salts. 



12. Specimens of brine springs, with details of manufacture if boiled for salt, 

 and statistics of labour and produce, &c. as in the case of mines. 



IV. 



Medical Geology. 



1. Specimens of mineral medicines of all sorts, whether produced on the 

 spot or imported, crude and prepared, with notes and samples of the process 

 of preparation in all its .stages. 



2. Of the water of mineral springs, their temperature, incrustations about 

 them, account of their uses, and specimens of the rocks or soil in which found. 



V. 



Native Metallurgical Processes, or Mineral Manufactures. 



1. Exact descriptions of them, however rude or simple they may appear, with 

 samples of the ores, fuel, fluxes, products, slags, &c. 



2. Models or drawings fto scale if possible) of the furnaces and implements 

 of all kinds ; specimens of these last may be sent. 



3. Memoranda and samples of the earths or sands used for moulds in cast- 

 ings, of the crucibles and beets, raw and baked, and of the raw material from 

 which made. 



4. Prices of raw and wrought materials. 



5. Drawings of machinery used for turning, boring, polishing, &c. 



In conclusion : It is not supposed that any individual, unless wholly devoted 

 to the research, can supply the whole of the desired specimens, or even of the 

 knowledge relative to any one product ; but any single item of the foregoing 

 may be of importance, at sometime, to some one ; and it will be the special 

 duty of the Asiatic Society, and of the Curator of the Museum, to see justice 

 done to every contribution ; whether relating to the Geology of India in gene- 

 ral, or to this peculiar branch of it. 



H. PlDDlNGTON, 



Curator Museum Economical Geology. 



Resolved. — That a copy of the enclosure be forwarded to the following 

 Gentlemen. 



Major General Cullen. 

 Captain Newbold. 



