2 WORKS ON NATURAL HISTORY AND SCIENCE, 
hi. 
SALMONIA; or, DAYS OF FLY-FISHING. 
A Series of Conversations on the Art of Fly-Fishing for the Species and 
Varieties of the Salmon, and on the Habit of these Fishes. 
By the late SIR HUMPHRY DAVY. 
Third Edition. With Engravings and Woodcuts. Fcap. 8vo. 12s. 
IV. 
CONSOLATIONS IN TRAVEL; 
OR, THE LAST DAYS OF A PHILOSOPHER. 
By SIR HUMPHRY DAVY, 
Late President of the Royal Society. Fourth Edition. Fcap. 8vo. 6s. 
v. 
THE JOURNAL OF A NATURALIST. 
Fourth and Cheaper Edition, with numerous Additions and Improve¬ 
ments, Plates and Woodcuts. Post 8vo. 9s. 6d. 
-Plants, trees, and stones, we note; 
Birds, insects, beasts, and many rural things. 
“ It is a book that ought to find its way into every rural drawing-room 
in the kingdom, and one that may safely be placed in every lady’s boudoir, 
be her rank and station in life what they may.”— Quarterly Review. 
VI. 
THE SILURIAN SYSTEM, 
FOUNDED ON 
GEOLOGICAL RESEARCHES 
IN THE COUNTIES OF 
Salop, Hereford, Radnor, Montgomery, Caermarthen, Brecon, 
Pembroke, Monmouth, Gloucester, Worcester. & Stafford; 
WITH 
DESCRIPTIONS OF THE COAL-FIELDS AND OVERLYING 
FORMATIONS. 
By RODERICK IMPEY MURCHISON, F.R.S., F.L.S. 
Vice-President of the Geological Society of London, General Sec. Brit. 
Assoc. Advancement of Science, Member of the Royal Geographical 
Society, Hon. Mem. of the Royal Irish Academy, &c. &c. &c. 
