OF NORTH AMERICA. 
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1843 ~ 
1843 - 
1843 - 
1843?- 
1844 - 
1847 — 
1847/52 
1852 — 
1852 — 
1 855/57 ■ 
1853 — 
1856 — 
1819 — 
1821 — 
1834/48- 
1835 — 
1835 — 
- Mather, Willmm W. — Geology of New York -, Part 1, comprising the Geology of the first geological dis- 
trict; 4". Albany. 
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Albany. 
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Rogeis, William B. — On the age of the Coal rocks of Eastern Virginia (B.Klracl from: Reports of the 
Ass. of Amer. Geolog.) ; 8°. Boston. 
■ Lea, Henry C. — Description of some new Fossil Shells, from the Tertiary of Petersburg, Virginia-, 4”. 
Philadelphia. 
Lnimons, Ebenozer — The Taconic System; based on observations in New York, Massachussetls , Maine, 
Vermont, and Rhode- 1 sland ; 4“. Albany. 
■ Lj- ell , Sir Charles — On the Struelure and Probable Age of the Coal-Field of the James River, near Rich- 
mond , Virginia (Extract from the Quart. Journ. of the Geol. Soc. of London, 
vol. III.); 8". London. 
-Hall, James — Paleontology of New York; 2 vol., 4". Albany. 
Lea, Isaac — On the Fossil Foot-Marks in the Red Sandstone of PoUsoille , Pennsylvania (Extract from the 
Trans, of the Amer. Phil. Soc., vol. X.); 4". Philadelphia. 
Lea , Isaac — On a Fossil Saurian of the New Red Sandstone formation of Pennsylvania , with some account 
of that formation. Also: On some new fossil Moluscs, in the Carboniferous Slates 
of the Witkesbarre Coal formation ; 4”. Philadelphia. 
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1854; 8". New Brunswick. Second Annual Report on the Geol. Survey of the 
Slate of New Jersey, for the year 1855 ; 8". Trenton, 1856. Third Annual Re~ 
port on the Geol. Survey of the Stale of New Jersey, for the year 1856; 8”. 
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Lea, Isaac — Fossil Foot-Marks in the Red Sandstone of Potlsville, Pennsylvania; super-royal folio. Phi- 
ladelphia. 
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WESTEILN STATES. 
RafilieSIJUe , C. S., and Olifioril, J. D. — Prodrome d'une Monographic des Turbinolies du Kaitucky. 
Nuttall, Thomas — Observations on the Geological Structure of the valley of the Mississippi (Extract from 
the Journal of the Acad, of Nat. Sc. of Philadelphia; vol. II, part I.); 8“. 
Philadelphia. 
■ frOOSt , Gerard - Geological Report to the General Assembly of the State of Tennessee. Report of Progress 
for the years 1834, 35 , 36 , 37, 38, 39, 40 , 41 , 44, 45 , and 48; 8". Na.shville. 
Hildretll, S. P. - observations on the Bituminous Coal Deposits of the valley of the Ohio , and the accom- 
pamjing rock strata; illustrated by a Geological Map (Extract from the Amer. 
Journ. of Science, vol. XXIX.); 8". New Haven. 
FGatllCrslOllliaUgll 5 G. W. - Geological Report of an Examination made in 1834 of the elevated country 
between the Missouri and Red Rivers; 8®. Washington. 
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