Recent Publications 



-Agassiz, Alex. Three Letters from, to the Hon. George M. Bowers, United 

 States Fish Commissioner, on the Cruise, in the Eastern Pacific, of the U. S. 

 Fish Commission Steamer "Albatross.'' [Bulletin of the Museum of Com- 

 parative Zoology, Harvard College, Vol. XL VI, No. 4.] 



-Arnold, Ralph, and Strong, A. M. Some Crystalline Rocks of the San 

 Gabriel Mountains, California. [Bulletin of the Geological Society of 

 America, Vol. XVI, pp. 183-204, April, 1905.] 



-Blake, William P. Origin of Orbicidar and Concretionary Structure. 

 [Transactions of the American Institute of Mining Engineers, May, 1905.] 



-Bonne Y, T. G. Notes on Some Rocks from Ararat. [Geological Magazine, 

 Decade V, Vol. II, No. 488, February, 1905.] 



-Bradley Polytechnic Institute. Register 1904-1905. Announcements for 

 1905-1906. [Peoria, May, 1905.] 



-Briggs, L. J., Martin, F. O., and Pearce, J. R. The Centrifugal Method of 

 Mechanical Soil Analysis. [Bulletin No. 24, Bureau of Soils, U. S. Depart- 

 ment of Agriculture, Washington, 1904.] 



-Carnegie Institution of Washington, Year Book No. 3, 1904. [Wash- 

 ington, January, 1905.] 



-Carnegie Library of Beloit College, Dedication of the. [Beloit College Bulletin, 



Vol. Ill, No. 2, 1905.] 

 -Commission Francaise des Glaciers, Observations sur l'Avalanches, executees 



par l'Administration des Eaux et Forets dans les Departements de la Savoie. 



[Paris, 1904.] 



-Crawford, R. T., and Maddrill, J. D. Elements and Ephemeris of Comet 



A 1905 (Giacobini). [University of California Publications, Astronomy, 



Lick Observatory Bulletin No. 73.] 

 -Emerson, B. K. Plumose Diabase and Palagonite from the Holyoke Trap 



Sheet. [Bulletin of the Geological Society of America, Vol. XVI, pp. 91- 



130, Pis. 24-32, March, 1905.] 



-Emmons, S. F., and Hayes, C. W. Contributions to Economic Geology, 

 1904. [Bulletin No. 260, Series A, Economic Geology, 53, U. S. Geological 

 Survey, 1905.] 



-Fairchild, H. L. Ice Erosion Theory a Fallacy. [Bulletin of the Geological 

 Society of America, Vol. XVI, pp. 13-74, Pis. 12-23, February, 1905.] 



-Farrington, O. C. The Rodeo Meteorite. [Field Columbian Museum, 

 Publication No. 101, Geological Series, Vol. Ill, No. 1, March, 1905.] 



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