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(from a letter to Meek and Hayden).—Amer. Jour. Sci. ii., XXVII. 
(1859), pp. 31-35. 
‘‘Cretaceous and Tertiary Plants.”—Hayden’s Report on Exploration 
of Missouri and Yellowstone Rivers, Washington (1859-60), p. 146. 
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‘“‘The American Cretaceous Flora.”—Amer. Jour. Science, Vol. XXX. 
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‘<The Ancient Vegetation of North America.’—Canadian Naturalist 
and Geologist, Vol. VI, (Montreal, 1861), pp. 73-80. 
*« Description of Fossil Plants Collected by the N. W. Boundary 
Commission.’’—Proc. Bost. Soc. Nat. Hist., Vol. VI1. (1863), and Reprint, 
pp. 19. 
**Report on the Fossil Plants Collected in China by Mr. Raphael 
Pumpelly.”—Smithsonian Contributions (1868), p. 119, pl. 1. 
‘‘Notes on the Later Extinct Floras of North America.’’—Annals 
Lyc. Nat. Hist., Vol. IX. (1870), p. 1, Reprint, 8vo,, pp. 76. 
‘*Notice of Fossil Plants from the Cretaceous Sandstones of Fort 
Harker, Kansas,and from the Miocene of Bridge Creek, Oregon.”— Proc. 
N. Y. Lye. Nat. Hist., Vol. I. (1870), p. 148. 
‘*Notice of Angiospermous Leaf-Impressions in a Red Sandstone 
Boulder Found in Excavating the Foundations of a Gas Office in Wil- 
liamsburg, L. I.”—Proc. N. Y. Lye. Nat. Hist., Vol. I. (1871), pp. 149, 150. 
** Geological Survey of Ohio.”—Vol. I., Part II. (1873), Description 
of Fossil Plants, pp. 355-385, eight plates, 
‘* Notice of Coniferous Remains in Lignite Beds near Keyport, N. J.” 
—Proo. N. Y. Lye. Nat. Hist., 2d Ser. (Jan. 3 to March 30, 1873), pp. 9-10, 
** Notice of Angiospermous Leaves in Red Shale at Lloyds’ Neck, 
L. I.” —Idem (Jan. 5 to June 1, 1874), p. 127. 
‘‘On the So-called Land Plants of the Lower Silurian of Ohio,”— 
Amer. Jour. Sci., iii,, VIII., pp. 110 and 160 (1874). 
“Fossil Botany.”—Johnson’s Universal Cyclopedia, Vol. II., pp. 
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‘*Tllustrations of Cretaceous and Tertiary Plants.”—Plates by New- 
berry, names by Lesquereux. Washington (1878). 
** Geological History of the North American Flora.”—Bulletin Torrey 
Botanical Club (July, 1880), p. 74. 
‘* American Cretaceous Flora,”—Nature, XXIV., pp. 191-192. 
** Description of Fossil Plants from Western North America.’’—Proc. 
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