12 WORKS PUBLISHED BY 



POPULAR HISTORY OF MAMMALIA. By ADAM WHITE 

 F.L.S., Assistant in the Zoological Department of the British 

 Museum. With sixteen coloured Plates of Quadrupeds, &c. 

 by B. WATERHOUSE HAWKINS, F.L.S. One vol. Royal 16ino. 

 10*. Qd, 



"The present increase of our stores of anecdotal matter respecting every kind 

 of animal has been used with much tact by Mr. White, who has a terse chatty 

 way of putting down his reflections, mingled with that easy familiarity which 

 every one accustomed daily to zoological pursuits is sure to attain. The book is 

 profusely illustrated." Atlas. 



GEOLOGY AND MINERALOGY. 



THE BRITISH PALEOZOIC FOSSILS, added by Professor 

 Sedgwick to the Woodvvardian Museum. By Professor 

 M'CoY. In royal 4to, with numerous Plates. 



[Preparing for Publication. 



THOUGHTS ON A PEBBLE ; or, a First Lesson in Geology. 

 By GIDEON ALGERNON MANTELL, LL.D., F.R.S., Vice-Pre- 

 sident of the Geological Society, &c. Eighth Edition. 



" I have just procured a little work for my young pupils, a most delightful 

 introduction, entitled ' Thoughts on a Pebble, or a First Lesson in Geology,' by 

 Dr. Mantell, and I must request you to read it ; for although it does not consist 

 of more than thirty pages [increased in the present edition to upwards of a hun- 

 dred] it will expand to your view a new world that will astonish and delight 

 you." Philosophy in Sport. 



Considerably enlarged, with four coloured plates, twenty-eight wood- 

 cuts, and* Portrait of the Author engraved on steel, handsome 

 cloth, gilt edges, pp. 102, price 5*. 



POPULAR MINERALOGY. By HENRY SOWERBY. 



%* In one vol. royal 16mo, with plates of figures. 10s. 6d. 



PHYSICS. 



ELEMENTARY PHYSICS, with numerous wood-cuts. By 

 ROBERT HUNT. [Nearly ready. 



THE POETRY OF SCIENCE; or, Studies of the Physical Phe- 

 nomena of Nature. By ROBERT HUNT, Author of ' Panthea,' 

 and ' Researches on Light.' Second Edition. Revised. With 

 an Index. 



" A truly scientific work, which has the character of poetry only in so far as 



