44 AMERICAN NATURAL HISTORY. 
skill Mountains ; to which is prefixed a Geological Grammar, by Amos Eaton, 
A.M. 8vo. Troy, N. Y. 1820. 
Eaton.— A Geological and Agricultural Survey of the District adjoining the 
Erie Canal, by A. Eaton. 8vo. Albany, 1824. 
Eaton.— Geological Text-Book, by A. Eaton. 2nd edition, with 68 Eigures of 
Organic Remains. 8vo, pp. 140. New York, 1833. 
Emmons.— Agriculture of New York : comprising an Account of the Classi¬ 
fication, Composition, and Distribution of the Soils and Rocks, and the 
Natural Waters of the different Geological Formations ; together with a 
condensed view of the Climate, and the Agricultural Productions of the 
State, by E. Emmons, M.D. Published by Authority. 5 vols. 4to. Albany. 
Vol. I. 1846, pp. xi. and 371, with 19 coloured Plates. 
Yol. IT. 1849, pp. viii., 341, and 50, with 42 Plates. 
Yol. III. 1851, Part 1, Text pp. vi. and 340. 
"Pfip'f' 9 ftl 
Vol. V. 1854, pp. viii. and 272, and 50 Plates. 
Emmons.— American Geology; containing a Statement of the Principles of 
the Science, with full Illustrations of the Characteristic American Fossils, 
by Ebenezer Emmons; with an Atlas and a Geological Map of the United 
States. Yol. I. (Parts 1 and 2). 130 Illustrations and 19 4to Plates. 8vo, 
pp. 268. Albany, 1855. cloth. £1 Is. 
Emmons.— American Geology, containing a Statement of the Principles of 
the Science, with full Illustrations of the Characteristic American Fossils, 
by Ebenezer Emmons; with an Atlas and a Geological Map of the United 
States. Part 6. 8vo, pp. x. and 152. Albany, 1857, 10s. 
Parts 3, 4, and 5 are not yet published, Dr. Emmons having been forced to issue Part 6 first, 
to secure his recent discoveries. 
Emmons.— Geological Report of the Midland Counties of North Carolina, by 
Ebenezer Emmons. Illustrated with Engravings 'and Map. 8vo, pp. 348. 
New York, 1856. 
Featherstonehaugh.. —Geological Report of an Examination made in 1834 
of the Elevated Country between the Missouri and Red Rivers, by G. W. 
Eeatherstonehaugh, U. S. Geologist. Published by order of both Houses 
of Congress. Large Map. 8vo, pp. 97. Washington, 1835. 7s. 
Forster and Whitney.— Report on the Geology and Topography of a por¬ 
tion of the Lake Superior Land District, in the State of Michigan, by J. W. 
Forster and J. D. Whitney, U. S. Geologists. In 2 Parts, with Illustra¬ 
tions and Maps. Part I. Copper Lands. Part II. The Iron Region, to¬ 
gether with General Geology. 8vo, pp. 646. Washington, 1850, 1851. 
cloth. t £1 10s. 
Fossils of South Carolina, by M. Tuomey and F. S. Holmes. Publishing 
in 4to parts, each containing 2 lithographic Plates and descriptive letter- 
press. Parts 1 to 10 are now published. Charleston, S.C., 1855 to 1857. ea. 18s. 
Gesner.— Remarks on the Geology and Mineralogy of Nova Scotia, by 
Abraham Gesner, Esq., Surgeon. 8vo, pp. 272. Halifax, N.. S., 1837. 
Gibbes.— A Memoir on Mososaurus, and the three allied ne# Genera, Holco- 
dus, Conosaurus, and Amphorosteus, by Robert W. Gibbes, M.D. With 3 
Plates. 4to, pp. 14. Washington, 1850. 2s. 
Gray.— Elements of Geology, by Alonzo Gray, A.M., and C. B. Adams, A.M. 
8vo. New York, 1852. 6s. 
Green.— A Supplement to the Monography of Trilobites of North America, 
with coloured Models of the Species, by Jacob Green;’8vo. Philadelphia, 1835. 
Hall. — Palaeontology of New York, containing Descriptions of the Organic 
Remains of the Lower Division of the New York System. Published by 
Authority, by J .Hall. 2 vols. 4to. Albany. Vol. I. 1847, pp. xxiii. and 338 ; 
with 87 Plates. Yol. II. 1852, pp. viii. and 362 1 ; with 85 Plates. £8 8s. 
Harper. —Preliminary Report of the Geology and Agriculture of the State of 
Mississippi, by L. Harper, LL.D., Correspondent of the Imperial Museum 
