22 PUBLICATIONS OF HAYDEN SUKVEV. [bdi,l.222. 



Second series, No. 1. 1875. 47 pp., 1 1., 3 pis. 



On the fishes of the Tertiary shales of the South Park [Colorado], by E. D. 



Cope, pp. 3-5. 

 On the cranial and dental characters of Mephitinje, with description of 



Mephitis frontata, n. sp. foss., by Dr. Elliott Coues, U. S. A., pp. 7-15. 

 — Ancient ruins in southwestern Colorado, by W. H. Jackson, pp. 17-38, pis. 



i-iii. 

 Note on some fossils from near the eastern base of the Rocky Mountains, 



west of Greeley and Evans, Colorado, and others from about' two hundred 



miles farther eastward, with descriptions of a few new species, by F. B. 



Meek, palaeontologist, pp. 89^7. 

 No. 2, second series. May 14, 1875. 49-142 pp., 1 I. 



A monograph on the genus Leucosticte, Swainson; or gray-crowned purple 



finches, by Eobert Eidgway, pp. 51-82. 

 The cranial and dental characters of Geomyidse, by Dr. Elliott Coues, 



U. S. Army, pp. 83-90. 

 Synopsis of insectivorous mammals, by Theodore Gill, pp. 91-120. 

 Eeport on the natural history of the United States Geological and Geograph- 

 ical Survey of the Territories, 1874, by Ernest Ingersoll, zoologist, pp. 



121-124. 

 Special report on the Mollusca, by Ernest Ingersool, zoologist, pp. 125-142. 

 No. 3, second series. May 15, 1875. 143-211 pp., 2 11., 2 maps, vii-viii pis., 2 

 other illustrations. 

 Means of communication between Denver and the San Juan mines, by A. D. 



Wilson, topographer directing, pp. 145-149, 1 map. 

 Eeport on the mines and geology of the San Juan country, by F. M. Endlich, 



S. N. D., pp. 151-164, 1 map. 

 Eeport on the topography of the San Juan country, by Franklin Rhoda, 



assistant topographer, pp. 165-209, 2 illustrations. 

 Note on some peculiar forms of erosion in eastern Colorado, with heliotype 



illustrations, by F. V. Hayden, pp. 210-211, pis. vii-viii. 

 No. 4, second series. June 10, 1875. 215-231 pp., 1011., ix-xviii pis. 



Notes on the surface features of the Colorado or Front Eange of the Rocky 



Mountains, by F. V. Hayden, pp. 215-220, pis. ix-x. 

 The Tertiary Physopoda of Colorado, by Samuel H. Scudder, pp. 221-223. 

 Outlines of a natural arrangement of the Falconidse, by Robert Ridgway, 



pp. 225-231, pis. xi-xviii. 

 No. 5, second series. January 8, 1876. 233-414 pp., 3 11., 19-21 pis. 



A review of the fossil flora of North America, by Leo Lesquereux, pp. 



233-248. 

 Notes on the geology of some localities near Canon City, Fremont Co., Colo., 



by S. G. Williams, pp. 249-251. 

 Some account, critical, descriptive, and historical, of Zapus hudsonius, by 



Dr. Elliott Coues, U. S. Army, pp. 253-262. 

 On the breeding-habits, nest, and eggs of the white-tailed ptarmigan (La- 



gopus leucurus), by Dr. Elliott Coues, U. S. Army, pp. 263-266. 

 List of Hemipteraof the region west of the Mississippi River, including those 



collected during the Hayden explorations of 1873, by P. R. Uhler, pp. 267- 



361, pis. 19-21. 

 On some new species of fossil plants from the Lignitic formations, [by Leo 



Lesquereux], pp. 363-389. 

 New species of fossil plants from the Cretaceous formation of the Dakota 



group, [by Leo Lesquereux], pp. 391-400. 

 Notes on the Lignitic group f>f eastern Colorado and portions of Wyoming, 



by F. V. Hayden, pp. 401^11. 



