lt'i Tht American Geologist. July, I B 
1856. 
New Genera and Species of Fossil Fishes from the Carboniferous 
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L857. 
Report on the Economic Geology of the Route of the Ashtabula and 
New Lisbon Railroad.— Cleveland, Ohio (1857), 8vo., pp. 19. 
On the Mode of Formation of Cannel Coal. Amer. Jouf. Sci., Vol. 
XXIII (1857), p. 212. 
Geology of California and Oregon. — United States Pacific Railroad 
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The Botany of Northern California and Oregon. — United States Pa- 
cific Railroad Report, Vol. VI (1*57); Potanical Report, pp. 1-94. pis. 
I-XVI. 
Zoology of Northern California and Oregon. — United States Pacific 
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Fossil Fishes of the Devonian Rocks of Ohio. — Bulletin National In- 
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Reports of the Geology, Botany and Zoology of California and Ore- 
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1859. 
Catalogue of Plants of Ohio. — Ohio Agric. Report (1850), and Re- 
print, pp. 11. 
The Rock Oils of Ohio. — Ohio Agric. Report (1859), and Reprint, pp. 10. 
Explorations in New Mexico. — Amer. Jour. Science, Vol. XXVIII 
(1859), p. 298. 
Fossil Plants from the Cretaceous of Kansas and Nebraska (from a 
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180ii. 
Cretaceous and Tertiary Plants. — Hayden's Report on Exploration of 
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The Ancient Vegetation of North America. — Amer. Jour. Sci., Vol. 
XXIX (1800), p. 208. 
The State House Well of Columbus, Ohio. — Report of Supt. of State 
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The Aurora of 1859.- Amer. Jour. Sci., Vol. XXX (1800), pp. 347-.T)0. 
The American Cretaceous Flora. — Amer. Jour. Science, Vol. XXX 
(I860), p. 27:5. 
1801. 
Geology of the Colorado Exploring Expedition. — Washington (1861) 
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The Ancient Vegetation of North America. — Canadian Naturalist 
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1862. 
The Surface Geology of the Basin of the Great Lakes. — Proc. Boston 
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