242 The American Geologist. October, i898 
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Dentition of Devonian Ptyctodontidae. (Am. Nat., vol. 2)^, pp. 
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Elftman, A. H. 
The geology of the Keweenawan area in northeasten Minnesota. 
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Emmons, F. H., and G. W. Tower, Jr. 
Economic geology of the Butte special district. (U. S. Geol Sur- 
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Fairchild, H. L. 
Glacial geology in Am.erica. (Am. Geol., vol. 22, pp. 154-189. Sept. 
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Finch, J. W. 
The basal portions of a continental glacier. A dissertation submit- 
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Gilpin, E. Jr. 
Ores of Nova Scotia. Gold, lead, and copper. (Pp. 1-46, i map; 
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Goodwin, W. L. 
Analyses of corundum and corundum-bearing rock. (Rept. Bu- 
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Gordon, C. H. 
Notes on the Kalamazoo and other old glacial outlets in southern 
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Gracey, A. H. 
Placer gold on Vermilion river [Ontario]. (Rept. Bureau of Mines 
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Hay, O. P. 
Notes on species of Ichthyodectes. including the new species I. 
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Hillebrand, W. F. 
Distribution and quantitive occurrence of vanadium and molybde- 
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Jefferson, M. S. W. 
The postglacial Connecticut at Turners Falls, Mass. (Jour. Geol.. 
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Kemp, J. F. 
Preliminary report on the geology of Essex county [New York]. 
(15th Ann. Rept. State Geol. of New York, pp. 575-6l4. 12 pis.. 1897.) 
