Recent Publications. 



-Blake, William P. 



Notes on the Structure of the Franklinite and Zinc Ore Beds of Sussex 

 County, New Jersey. 4 pp. — From the Trans, of the Am. Institute of 

 Mining Engineers. 

 -Call, R. Ellsworth. 



A Contribution to a Knowledge of Indiana Mollusca. 43 pp. — From 

 Proc. Ind. Academy of Sci., Vol. III., 1893. 



-Darton, N. H. 



Artesian Well Prospects in Eastern Virginia, Maryland, and Delaware. 

 26 pp., 2 plates. 

 -Dawson, George M., C.M.G., LL.D., F.R.S., F.G.S. 



The Progress and Trend of Scientific Investigation in Canada — Presi- 

 dential Address for 1894. — Royal Soc. of Canada. 

 -Geological Surveys : 



Arkansas — J. C. Branner, State Geologist. 



An. Rep., 1891, Vol. II., Miscellaneous Reports: Benton County, by 

 F. W. Simonds and T. C. Hopkins; Elevations, by J. C. Branner; 

 Observations on Erosion above Little Rock, by J. C. Branner ; 

 Magnetic Observations, by J. C. Branner ; Mollusca, by F. A. 

 Sampson ; Myriopoda, by C. H. Bollman ; Fishes, by Seth E. Meek ; 

 Dallas County, by C. E. Siebenthal ; Bibliography of the Geology 

 of Arkansas, by J. C. Branner. 349 pp.; illustrated ; 2 maps. An. 

 Rep., 1892, Vol. II., Tertiary, G. D. Harris. 207 pp.; illustrated ; 

 1 map. 

 Minnesota — N. H. Winchell, State Geologist. 



Preliminary Report of Field Work during 1893 in Northwestern Min- 

 nesota. 40 pp. — Arthur Hugo Elftman. Part XII. of Twenty-second 

 An. Rep. 

 Missouri — Arthur Winslow, State Geologist. 



Coal Report — Sheet Report, No. 2 Bevier Sheet, Map and Sections, 

 including portions of Macon, Randolph, and Chariton Counties, with 

 Descriptive Report. 75 pp. — C. H. Gordon, Assistant Geologist. 

 Iron Mountain Sheet — Sheet Report, No. 3, Map and Sections — includ- 

 ing portions of Iron, St. Francis, and Madison Counties, with 

 Descriptive Report. 85 pp. — Erasmus Haworth and Frank L. 

 Nason, Assistant Geologist. 



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