1840.] Museum of Economic Geology of India. 981 



val at Calcutta, on the ship " Lord Hungerford," with these specimens 

 under my charge. They consist of 



43 Specimens of coal from the South Wales and South Stafford- 

 shire Coal districts ; presented by Mr. H. T. De la 

 Beche, F.R.S. &c., Director of the Museum of Eco- 

 nomic Geology, under Her Majesty's Government. 

 10 Specimens of coal, and others of ironstone and limestone from 

 the principal working beds near Birmingham ; pre- 

 sented by J. S. Dawes, Esq. 

 50 Specimens of copper and other metallic ores, chiefly from Corn- 

 wall ; presented by Mr. H. T. De la Beche. 

 1 1 9 Specimens of the ores of iron, copper, and tin, from South 

 Wales, Cornwall, and elsewhere, collected by myself, 

 amongst which are many specimens of copper ores ; 

 presented by Seymour Tremenheere, Esq. 

 24 Specimens illustrative of the process of tin smelting, exhibiting each 

 stage of progress, from the rough ore to the metallic 

 state; presented by Thomas Bolitho, Esq. of Penzance. 

 Details concerning the above are entered in a book, which is for- 

 warded herewith, on the plan followed at the Museum of Economic 

 Geology, wherein it is intended to describe the mineralogical cha- 

 racter and geological connection of each specimen, together with such 

 information as may be useful in tracing indications of similar sub- 

 stances in India. 



The form of this, as well as of books of other Departments, kept 

 at the Museum, is given in enclosure No. 1. 



In addition to the specimens which have been enumerated, others 

 have been promised by gentlemen connected with mining and smelt- 

 ing establishments ; and as arrangements were made at the India 

 House for their immediate dispatch, they may be expected shortly 

 to arrive. They include, 



Specimens of the process of copper smelting, as practised at 



Swansea ; by H. Vigors, Esq. 

 Specimens illustrative of the modes in which the Cornish copper, 



lodes, occur in rock formations. 

 Specimens of the coal beds, and of ironstone from the Peny- 

 darren works at Merthyr Tydfil, and of the process 



