WORKS OF REFERENCE. 9 
IV. Petrifactions and their Teachings; or a Hand-book 
to the Gallery of Organic Remains in the British Museum. 
One vol. with many original figures of the most interesting 
objects. By the AurHor.” Price 5s. 
V. A Pictorial Atlas of Fossil Remains ; consisting of 
Coloured Illustrations selected from ‘ Parkinson’s Organic 
Remains of a Former World,” and Artis’ “ Antediluvian 
Phytology.” 1 vol. 4to. with seventy-four coloured plates, 
and several lignographs, containing nearly 900 figures of 
fossils. By the AutHor. Price 2/. 2s. 
To the above may be added Dana’s Mineralogy, which 
treats of the various mineral substances that enter into the 
composition of the rocks and strata in which the fossil 
remains are imbedded. 
A good geological map of Great Britain is indispensable. 
The small map published by the Society for the Diffusion 
of Useful Knowledge, edited by Sir R. Murchison, price 5s., 
is an excellent compendium ; but Mr. Knipe’s large “ Geo- 
logical Map of the British Isles” is the most complete and 
convenient for the traveller: price 3/. 3s. By reference to 
the map, the geological structure, and the prevailing fossils 
of a district, may be ascertained. 
The above works are referred to as follows: viz. 
Bd. Dr. Buckland’s Treatise. 
Wond. The Wonders of Geology. 
Geol. I. of W. Geology of the Isle of Wight. 
Petrifactions. Petrifactions and their Teachings. 
Pict. Atlas. Pictorial Atlas of Organic Remains. 
* The three works above named consist of four volumes uniform 
with the present edition of the “Medals of Creation :” this series of 
six volumes comprises the popular geological works of the Author. 
