Scientific Intelligence. 201 
12. Naval Sketches.—A. New York correspondent, who signs him- 
self 4 Subseriber, after expressing his warm approbation of the Naval 
Sketches and of our notice of it in the last number, expresses also his 
regret, that we did not continue our extracts from Mr. Jones’ work, 
particularly in that part which relates to Constantinople and the wil- 
lingness of the Turkish government to form a treaty with us, and de- 
sires us to resume our quotations in this number. 5 
Agreeing perfectly with our correspondent, that “ the author is not 
amere man of books, but a well informed practical man”—it would 
have given us great pleasure to gratify ‘(A Subscriber,” by addi- 
tional extracts ; but on looking over the part referred to, we found it 
was too long for insertion, consistently with our obligations, and as 
the Naval Sketches have been extensively read and quoted, since our 
last number appeared, perhaps the stepis now the less necessary —Ed. 
13. Turner’s Chemistry, 2d American Edition.—For the Amer- 
ican reprint of this excellent work, in a cheap but neat form, and for 
its consequent general diffusion over the United States, we are in- 
debted to Mr. John Grigg of Philadelphia. The work, particularly 
in the second American edition, has been revised by Dr. F. Bache, 
from whose accurate eye it has received various corrections that have 
anticipated, in part, those of the author in the second London edition. 
14, Foreign Memoirs and Pamphlets——The Editor has received 
from Mr. Brongniart of Paris— ihe 
1, Notice sur les Bréches osseus et les Minerais de fer pisi- 
forme de méme position geognostique ; also, Observations addition- 
elles sur les minerais de fer pisiforme, &c. 
2. Notice sur les Blocs de Roches des Terrains de Transport en 
Suéde. 
3. From Mr. Murchison of London, Sec. Geol. Soc.—A memoir, 
by himself, on the Bituminous Schist and Fossil Fish of Seefeld, in 
the Tyrol. 
4. On the relations of the Tertiary and Secondary Rocks, form- 
ing the southern flanks of the Tyrolese Alps, near Bassano.—Id. 
5. On the Coal-field of Brora, in Sutherland, and some other 
Stratified Deposits in the north of Scotland.—Jd. : : 
6. On the Excavation of Valleys, as illustrated by the Volcanic 
Rocks of Central France, by Charles Lyell, Esq. 7S: ¥.P. 
G. Soe. &c. and R. I. Murchison, Esq. F.R.S. &e. - 
Vou. XVII.—No. 1. 26 
