scHMECKEBiEK.] ANNUAL REPOETS. 15 



On the geographical distribution of the moths of Colorado, ]>y A. S. Packard, 



jr., M. D., pp. 543-560. 

 Report on the Diptera collected by Lieut. W. L. Carpenter in Colorado dur- 

 ing the summer of 1873, Ijy C. E. Osten Racken, pp. 561-566. 

 Notice on tlie galls collected by Lieut. \V. L. Carpenter, by C. R. Osten 



Sacken, p. 567. 

 List of species of Coleoptera, collected by Lieut. AV. L. Carpenter, United 



States Army, for the United States geological sur\'ey of Colorado, 1873, pp. 



567-571. 

 Report on the Pseudo-Neuroptera and Neuroptera collected by Lieut. AV. L. 



Carpenter in 1873 in Colorado, by Dr. PI. A. Hagen, pp. 571-606. 

 Report on the myriopods collected by Lieut. "\V. L. Carpenter, in 1S73, in 



Colorado, by A. S. Packard, jr., M. D., p. 607. 

 Report on the amphipod Crustaceans, by S. I. Smith, pp. 608-611, pis. i-ii. 

 Description of a lernitan Crustacean (Achthernes carpenteri) obtained by 



Lieut. W. L. Carpenter, in 1873, in Colorado, by A. S. Packard, jr., M. D., 



p. 612. 

 Synopsis of the fresh-water phyllopod Crustacea of North America, by A. S. 



Packard, jr., JL D., pp. 613-622, pis. i-iv. 

 List of leeches collected by Hayden's expedition, 1873, by A. E. Verrill, 



p. 623. 

 List of terrestrial moUusks collected by Lieut. AV. L. Carpenter, U. S. A., 



for the United States geological survey of Colorado, 1873, by William G. 



Binney, p. 623. 

 Part lY. Geography and topography, pp. 625-681, 3 maps. 



Sketch of the methods of survey in the geographical department, by James T. 



Gardner, geographer, pp. 627-628, 1 map. 

 The elevations of certain datum-points on the Great Lakes and rivers and 



in the Rocky Mountains, by James T. Gardner, geographer, pp. 629-659, 



1 map. 

 Topographical report of Middle Park division, 1873, by S. B. Ladd, M. E., 



pp. 661-669. 

 Geographical report of Henry Gannett, M. E., [on central Colorado], pp. 



670-681, 1 map. 

 Appendix, pp. 683-691, 1 map. 



Gold Hill mining region, its position and general geology, by Arch. R. Mar- 

 vine, pp. 685-687, 1 map. 

 The telluride ores of the Red Cloud and Cold Spring mines, Gold Hill, by 



B. Silliman, pp. 689-691. 

 Index, pp. 693-718. 



1874. 



[Eighth] Annual Report of the United States Geological and Geo- 

 graphical Survey of the Territoriea, embracing Colorado and parts of 

 adjacent Territories; being a report of progress of the exploration 

 for the year 1874. By F. V. Hayden, United States geologist. Con- 

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

 ington: Gorernment Printing Office. 1876. 



8°. ix, 515 pp. 82 leaves containing illustrations, 8 leaves containing plate 

 descriptions. 



Jjetter to the Secretary, pp. 1-17. 



