. 
Bis 
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Geology. : 141 
northeast and southwest. The Marble, for mstanee, ran from Virginia, 
through Teneessee, to Georgia, a distance of more than one hundred and 
fifty miles. How much further it extended lengthwise beyond the limits 
belt-like character. : 
© what now is the long narrow form of these beds to be attributed ? 
and why did they, or do they, conform in direction to the great Appala- 
chian folds? and why did they thin out on both sides much after the same 
manner, there being, at this period, no greater indication*of dry land on 
one side than on the other? It appears to me that your view of the Silu- 
Tian age of the Appalachian oscillations will alone satisfactorily account 
for these characters, By them the sea-bottom was arranged (perhaps in 
Tuginous bed, & 
There are other facts bearing upon this subject, which I have observed 
‘ennessee, 
in the Lower Silurian rocks. of East T but which time will not 
ee y tee 
3. Post-Pliocene of Lewiston, Maine—Mr. W. W. Baxer gives an 
account in the Proceedings of the Boston Soe. Nat. Hist., 1858, p. 394, of 
occurrence of a fossil starfish in a hill of earth, 30 miles from* the 
Sea, 200 feet above its level, 100 feet above the level of the Androscoggi 
The hill is elay for eight feet, then thin layets of sand, gravel and clay, alter- 
n oM 2 Gi 
€ species according to Mr. Bouvé, was the sema@was’.the Jivi 
Species of the coast. There were also numerous impressions of ‘shells,’ 
4. U7; ntersuchungen iber die Eniwickelungs-Gesetze der organischen Welt, 
wihrend der Bildungs-Zeit unserer Erd- Oberfliche, by Dr. H. G. Brown: 
502 pp. 8vo. Stuttgart, 1858.—This work is a generals review of the 
Progress of life in the course of geological history. It received, the prize 
from the French Academy in 1857. 7 3 : 
Further. Contributions to the Paleontology of the Tilestones or 
Silurio-Devonian Strata of Scotland ; by Mr. D. Pac, (Proc. Brit. 
Portion, the Forfarshire tones, undoubtedly constituted th 
the Old Red Sandsté with i 
dstone; hence, with a view to avoid all discussion in the 
Mean time, he had ranked the whole as “Silurio-Devonian.” Beginning 
+ 
- 
and form hss of the Upper ae oe ~ Mb 
