480 THE CHICAGO ACADEMY OF SCIENCES. 



1905, a. Land and Fresh-water Mollusks. Harriman Alaska Expedition, 



Vol. XIII. 

 1905, b. On the Relations of the Land and Fresh-water Mollusk Fauna of 

 Alaska and Eastern Siberia. Popular Science Monthly, LXVI, pp. 

 362-366. 

 Dall, W. H., and Harris, G. D. 



1892. Correlation Papers. Neocene. Bull. U. S. Geol. Surv., No. 84 (p. 286). 

 Dall, W. H., and Simpson, C. T. 



1900. The Mollusca of Porto Rico. Bull. U. S. Fish Com., XX, pt. 1, pp. 

 351-524. 

 Dana, James D. 



1896. Manual of Geology, p. 966. 

 Daniels, L. E. 



1902, a. A Check-List of Indiana Mollusca, w r ith Localities. An. Rep. Dept. 



Geol. and Nat. Res. Ind., XXVII, pp. 629-652. 

 1902, b. See Blatchley. 



1909. Records of Minnesota Mollusks. Nautilus, XXII, pp. 119-121. 

 Darton, N. H. 



1908. Paleozoic and Mesozoic of Central Wyoming. Bull. Geol. Soc. Amer., 

 XIX, p. 403. 



Darton, N. H., and Siebenthal, C. E. 



1909. Geology and Mineral Resources of the Laramie Basin, Wyoming. 

 Bull. U. S. Geol. Surv., p. 364. 



Davis, W. M. 



1900. The Fresh-water Tertiary Formations of the Rocky Mountain Region. 

 Proc. Amer. Acad. Arts & Sci., XXXV, p. 345. 

 Dawson, George Mercer. 



1875. Land and Fresh-water Mollusca Collected during the Summers of 

 1873-74, in the Vicinity of the Forty-ninth Parallel — Lake of the 

 Woods to the Rocky Mountains. Report on the Geology and Re- 

 sources of the Region in the Vicinity of the Forty-ninth Parallel, etc., 

 British North American Boundary Commission. Appendix (E), pp. 

 347-350. 

 Dawson, J. W. 



1857. On the Newer Pliocene and Post Pliocene Deposits of the Vicinity of 

 Montreal, with Notices of Fossils Recently Discovered in Them. Can. 

 Nat. & Geol., II, pp. 401-426. 



1859. Additional Notes on the Post Pliocene Deposits of the St. Lawrence 

 Valley. Can. Nat. & Geol, IV, pp. 23-39. 



1860. Notice of Tertiary Fossils from Labrador, Maine, etc., and Remarks 

 on the Climate of Canada in the Newer Pliocene or Pleistocene 

 Period. Can. Nat. & Geol., V, pp. 188-200. 



1872. The Post Pliocene Geology of Canada. Can. Nat. & Geol., n. s., VI, 

 pp. 242-259. 

 Dean, George W. 



1892. Catalogue of the Shell-bearing Mollusca of Portage Co., Ohio. Amer. 

 Nat, XXVI, p. 11. 



