9 
c. Mineral statistics or returns of the produce of the 
mines of the United Kingdom. 
d. Catalogues of the contents of the Museum. 
The maps, and other publications of the Survey are to be 
obtained of — 
Messrs. Longman and Co., Paternoster Low, London. 
Messrs. Letts and Son, Royal Exchange, - „ 
Mr. Stanford, Charing Cross, „ 
Messrs. W. and A. Johnston, St. Andrew’s Square, Edinburgh. 
Messrs. G. Philip and Son, South Castle Street, Liverpool. 
Messrs. Napper and Wright, New Street, Birmingham. 
Mr. Lavers, Bristol. 
Mr. E. Slater, St. Anns Square, Manchester. 
'Mr. A. Lea, Westgate Street, Gloucester. 
The Museum of Practical Geology. 
The contents of the Museum may be classed under the follow- 
ing heads : — 
1. Fossil organic remains arranged in their order of superpo- 
sition or age, so as to illustrate the geological maps and sections. 
2. The geological maps of England and Wales united in one 
general map to exhibit the progress of the survey, with a few 
illustrative sections, the remainder of these documents being kept 
in the map office. 
3. Specimens of British sedimentary rocks arranged partly in 
order of superposition and partly with reference to their mode of 
accumulation and their subsequent modifications ; also specimens 
of igneous rocks arranged lithologically. 
4. Specimens of building stones and of mineral substances used 
in the construction of public works and buildings, and of those 
employed for ornamental and decorative purposes. 
5. Specimens illustrative of the ores of the useful metals, of their 
mode of occurrence, and of the methods used in preparing them 
for smelting. 
6. The various arts, such as pottery, enamelling, glass-making 
founding, &c., connected with the mineral and metallurgical re- 
sources of the country, as illustrated by specimens showing 
varieties or peculiarities of manufacture., 
7. Models of mines, mining tools, and working models of 
mining machinery, with a view of exhibiting the various modes 
of mining in different districts. 
