XIV 
UNITED STATES OF AMERICA. Proceedings of the Essex 
Institute. Vol. vi., 1868. 8vo. ... ... Salem, 1870 
Communications of the Essex Institute. Yol. vi., 1867 — 70. 
8vo. ... ... ... ... ... Salem, 1871 
Bulletin of the Essex Institute. Yol. i., 1869. 8vo. Salem, 1870 
An Historical Notice of the Essex Institute. 8vo. Salem, 1865 
Memoir of Francis Peabody, President of the Essex Institute ; 
by Charles W. Upham. 8vo. ... ... Salem, 1868 
— First, Second, and Third Annual Reports of the United States 
Geological Survey of the Territories for the years 1867, 1868, 
1869, under the Department of the Interior. 8vo. 
Washington, 1873 
Preliminary Report of the United States Geological Survey of 
Wyoming, and portions of contiguous Territories; by F. Y. 
Hayden, U. S. Geologist. 8vo. ... Washington, 1871 
Preliminary Report of the United States Geological Survey of 
Montana and portions of adjacent Territories; being a fifth 
annual report of progress ; by F. Y. Hayden. With Supple- 
ment, containing the Report on Fossil Flora; by Leo 
Lesquereux. 8vo. ... ... ... Washington, 1872 
Annual Reports of the United States Geological and 
Geographical Survey of the Territories, embracing Coloi’ado, 
&c. ; being a Report of Progress of the Exploration for the 
years 1873 — 76 ; by F. V. Hayden. 4 vols. 8vo. 
Washington, 1874 — 78 
Reports of the United States Geological Survey of the 
Territories; by F. Y. Hayden, U. S. Geologist-in-Charge. 
Vols. i., ii., v. — vii., ix. — xi. 4to. Washington, 1873 — 78 
Vol. i. Contributions to tlie Extinct Vertebrate Fauna of tho 
Western Territories ; by Joseph Leidy. 1873. 
Vol. ii. The Vertobrata of the Cretaceous Formations of tho 
West; by E. D. Copo. 1875. 
Vol. v. Synopsis of the Acrididee of North America ; by Cyrus 
Thomas, rn. D. 1873. 
Vol. vi. Contributions to the Fossil Flora of tho Western Terri- 
tories. Parti. The Cretaceous Flora ; by Leo Lesquereux. 1874. 
Vol. vii. Contributions to the Fossil Flora of tho Western Terri- 
tories. Part 2. The Tertiary Flora ; by Leo Lesquereux. 1878. 
Vol. ix. A Report on the Invortcbrate Cretaceous and Tertiary 
Fossils of tho Upper Missouri Country ; by F. B. Mook. 1876. 
Vol. x. A Monograph of tho Geometrid Moths, or Phalwnidse, of 
the United States ; by A. S. Packard, Jun., M.D. 1876. 
Vol. xi. Monographs of North American Rodontia; by Elliott 
Coues and Joel Asaph Allen. 1877. 
