sciiMEtKEBiER.J ANNUAL KEPORTS. 19 



1878. 



Twelfth Anniuil Report of the United States (reolog-icul and (leo- 

 graphical Survey of the Territories: A report of progress of the 

 exploration in Wyoming and Idaho for the year 1878. In two parts. 

 Part I [Part IIJ. By F. V. Hayden, United States geologist. Con- 

 ducted under the authority of the Secretary of the Interior. Wash- 

 ington: Gov^ernment Printing Office. 1883. 



8°. 2 pts. and case for maps, xviii, 809 pp., 32 11., 155 pis. and maps; xxv, 503 

 pp. 2 11., 151 pis., figs., and maps; map case containing 10 maps. 



Part I. Geology, paleontology, and zoology, xviii, 809 jip., 32 11., 155 pis. and 

 maps. 



Letter to the Secretary, pp. xiii-xviii. 



Part [Section] I. Geology and paleontology, pi>. 1-293, 32 11., ])ls. 11-42, 

 i-xlix, 2 maps, 7 unnumbered illustrations. 



Contributions to invertebrate paleontology. No. 2: Cretaceous fossils of 

 the western States and Territories, by C. A. White, M. D., pp. .3-39, 

 pis. 11-18. 

 Contributions to invertebrate paleontology. No. 3: Certain Tertiary 

 Mollusca from Colorado, Utah, and Wyoming, by C. A. White, 

 M. I)., pp. 41-18, pi. 19. 

 Contributions to invertebrate paleontology No. 4: Fossils of the Lara- 

 mie group, by C. A. White, M. D., pp. 49-103, pis. 20-30. 

 Contributions to invertebrate paleontology No. 5; Triassie fossils of 

 southeastern Idaho, by C. A. White, M. D., pp. 105-118, pis. 31-32. 

 Contributions to invertebrate paleontology No. 6; Certain Carbonifer- 

 ous fossils from the western States and Territories, by C. A. White, 

 M. D., pp. 119-141, pis. 33-36. 

 Contributions to invertebrate paleontology No. 7; Jurassic; fossils from 

 the Western Territories, by C. A. White, M. D., pp. 143-153, pis. 

 37—38. 

 Contributions to invertebrate paleontology No. 8; Fossils from the 

 Carboniferous rocks of the Interior States, by C. A. White, M. D., 

 pp. 155-171, pis. 39-42. 

 Report of Orestes St. John, on the geology of the Wind River district, 



pp. 173-269, pis. i-xlix, 1 map, and 6 unnumbered illustrations. 

 The Tertiary Lake basin at Florissant, Colo., between South and Hay- 

 den parks, by Samuel H. Scudder, pp. 271-293, map. 

 Section II. Zoology, pp. 295-806, pis. i-xxxix, i-xxiv, 1 map, 1 illustration 

 nnnuml)ered. 



A monograph of the phyllopod Crustacea of North America, with re- 

 marks on the order Phyllocarida, by A. S. Packard, jr., pp. 295-592, 

 pis. i-xxxix, 1 map. 



Appendix A. — On Artemia fertilis Verrill, from Great Salt Lake, 

 Utah Territory, by Prof. C. Th. von Siebold, of Munich. Trans- 

 lated by Dr. Phil. Carl F. Gissler, of Providence, R. I., pp. 459-463. 

 B. — Prof. Carl Theodor von Siebold on parthenogenesis in Arte- 

 mia salina. Abstract by Dr. C. F. Gissler, jip. 463-466. 

 C. — On the relation of Artemia salina Milne-Edwards to Arte- 

 mia muehlhausenii Milne-Edwards and to the genus Branchi- 

 pus Schaefer, by W. J. Schmankewitsch, pp. 466-473. 



