]2 WORKS PUBLISHED BY 
Liebig's Chemistry in its Applications to Agriculture and 
Physiology. Fourth Edition, revised. 8vo. 6s. 6d., cloth. 
Liebig's Animal Chemistry; or, Chemistry in its Appli¬ 
cation to Physiology and Pathology. Third Edition. Part I. (the first half of the 
work). 8vo. 6s. 6d., cloth. 
* Liebig's Familiar Letters on Chemistry, in its Relations 
to Physiology, Dietetics, Agriculture, Commerce, and Political Economy. {New 
Edition preparing.) 
Liebig's Researches into the Motion of the Juices in the 
Animal Body. 8vo. 5s. 
A Small Bust of Professor Liebig, in Artificial Ivory . 
Height 10 inches. Price 15s., or, packed in a box, 16s. 
ANIMAL MAGNETISM. 
Iieichenbach's Researches on Magnetism , Electricity, Heat, 
Light, Crystallization, and Chemical Attraction, in their relations to the Vital 
Force. Translated and Edited by Dr. Gregory, of the University of Edinburgh. 
In 1 vol. 8vo. 6s. 6d., cloth. 
STEAM ENGINE AND RAILWAYS. 
* Lardner on the Steam Engine, Steam Navigation, Roads, 
and Railways. Explained and Illustrated. Eighth Edition. With numerous Illus¬ 
trations. 1 vol. large 12mo. 8s. 6d. 
GENERAL LITERATURE. 
De Morgan’s Book of Almanacs. With an Index of 
Reference by which the Almanac may be found for every Year, whether in Old 
Style or New, from any Epoch, Ancient or Modern, up to a.d. 2000. With means 
of finding the Day of New or Full Moon, from b.c. 2000 to a.d. 2000. 5s., cloth 
lettered. 
Guesses at Truth. By Two Brothers. Cheaper Edition. 
With an Index. 2 vols. fcap. 8vo. 10s., cloth lettered. 
