A CKNOVVLEDGMENTS. 



The following papers have been donated to the library of the Geological Depart- 

 ment of the University of Chicago, mainly by their authors : 

 Barlow, Alfred E. 



— Relations of the Laurentian and Huronian Rocks north of Lake Huron. 

 314-332 pp.— Bull. Geol. Soc. Am., Vol. IV., Aug. 4, 1893. 

 Barrois, Charles. 



— Legende de la Feuille de Dinan. 25-40 pp. — Extrait des annales de la 

 societe geologique du Nord, T. XXL, Feb., 1893. 



— Sur le Rouvilligraptus Richardsoni de Cabrieres. 107-112 pp., 2 PI. — Ibid., 

 March, 1890. 

 Benecke, E. W. Dr. 



— Mittheilungen der Geologischen Landesanstalt von Elsass-Lothringen. 72 

 pp., 8 Pis.— Band. IV., Heft. 2. 

 Blake, William B. 



— The Mineral Deposits of Southwest Wisconsin. 1 1 pp. — Engineering Con- 

 gress, Aug., 1893. 



— The separation of Blende Pyrites. 6 pp. 

 Brown, H.Y. L.,F.G.S. 



—Catalogue of South Australian Minerals, with the mines and other localities 

 where found ; and brief remarks on the mode of occurrence of some of the princi- 

 pal metals and ores. 34 pp. — 1893, 

 Callaway, Charles, D.Sc.,M.A.,F.G.S. 



—The Origin of the Crystalline Schists of the Malvern Hills. Pp. 398-425.— 

 Quart. Jour. Geol. Soc, Aug., 1893. 

 Geological Survey of Canada. 



—Catalogue of Section i of the Museum of the Geological Survey. 256 pp.— 



1893. 

 —Catalogue of the Stratigraphical Collection of Canadian Rocks, prepared 



for the World's Columbian Exposition. 131 PP- 



— Maps accompanying Annual Report. Vol. IV., 1888-9. 

 Carpenter, P. Herbert, M.A. 



—On a New Crinoid from the Southern Sea. Pp. 9I9-933-. i PL— Phil. Trans 

 Roy. Soc, Part III., 1883. 

 Carter, Oscar C. S. 



—Artesian Wells. 10 pp. — Proc Chem. Soc. Franklin Inst., Sept., 1893. 

 Chalmers, Robert. 



—Height of the Bay of Fundy Coast in the Glacial Period Relative to Sea 

 Level, as evidenced by Marine Fossils in the Bowlder Clay at Saint Johns, New 

 Brunswick. Pp. 361-370.— Bull. Geol. Soc. Am., Vol. IV., Aug., 1893. 



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