8CHMECKEBIEK.] MONOGBAPHS AND BtJLLETlNS. 21 



IV. Not published. 

 V. Zoology and Botany. Part 1." Synopsis of the Acrididae of North 



America, by Cyrus Thomas, Ph. D. 1873. x, 262 pp., 1 pi. 

 VI. Contributions to the fossil flora of the Western Territories. Part I. The 



Cretaceous flora, by Leo Lesquereux. 1874. 136 pp., 34 11., 30 pis. 

 VII. Contributions to the fossil flora of the Western Territories. Part II. The 



Tertiary flora, by Leo Lesquereux. 1878. xv, 366 pp., 66 11., 65 pis. 



VIII. Contributions to the fossil flora of the Western Territories. Part III. 



The Cretaceous and Tertiary floras, by Leo Lesquereux. 1883. xii, 



283 pp., 60 U., 60 pis. 



IX. A report on the invertebrate Cretaceous and Tertiary fossils of the upper 



Missouri country, by F. B. Meek. 1876. Ixiv, 629 pp., 45 11., 45 pis. 



X. A monograph of the geometrid moths or Phalsenidee of the United States, 



by A. S. Packard, jr., M. D., 1876. iv, 607 pp., 15 11., 13 pis. 

 XL Monographs of North American Rodentia, by Elliott Coues, captain and 

 assistant surgeon, L^nited States Army, secretary and naturalist of the 

 survey; and Joel Asaph Allen, assistant in the Museum of Comparative 

 Zoology, Cambridge, special collaborator of the survey. 1877. xii*, x, 

 1,091 pp., 1 1. (265 bis), 7 pis. 

 XII. Fresh-water rhizopods of North America, by Joseph Leidy, M. D., pro- 

 fessor of anatomy in the University of Pennsylvania and of natural 

 history in Swarthmore College, Pennsylvania. 1879. xi, 324 pp., 

 48 11., 48 pis. 

 XIII. The Tertiary insects of North America, by Samuel H. Scudder. 1890. 

 734 pp., 28 pis. 



BULLETINS. 



Department of .the Interior. Bulletin of the United States Greologi- 

 cal and Geographical Survey of the Territories. F. V. Hayden, U. S. 

 geologist-in-charge. 1874 and 1875. Volume 1. Washington: Gov- 

 ernment Printing Office. 1875. 



8°. xiii, 28, 77, 499 pp., 26 11., 25 pis., 2 maps. 

 [First series]. No. 1. 1874. 28 pp., 1 1. 



List of members and collaborators of the survey for 1873, pp. 3-4. 



List of the publications of the Geological Survey of the Territories, pp. 5-6. 



Report on the stratigraphy and Pliocene vertebrate paleontology of northern 

 Colorado, by Edward D. Cope, A. M., pp. 7-28. 

 [First series], No. 2. April 9, 1874. 77 pp., 2 11. 



Review of the vertebrata of the Cretaceous period found west of the Missis- 

 sippi River, by Edward D. Cope, A. M., pp. 3^8. 



Supplenjentary notices of flshes from the freshwater Tertiaries of the Rocky 

 Mountains [by E. D. Cope], pp. 49-51. 



On the general character and relation of the flora of the Dakota group, by 

 Leo Lesquereux, pp. 52-62. 



Descriptions of some new Orthoptera, and notes on some species but little 

 known, by Cyrus Thomas, pp. 63-71. 



Notes on the Rocky Mountain ranges in Colorado Territory, [by James T. 

 Gardner], pp. 72-77. 



a No Other part. 



