RECENT PUBLICATIONS 821 



National Museum, Vol. XLIII, pp. 595-97, with Plates 44-45. Pub- 

 lished December 31, 1912. Washington.] 



— Michigan College of Mines, Year-Book of the, 191 2-13; Announcement 

 of Courses for 1913-14. [Houghton, Mich., 1913.] 



— ^Michigan Geological and Biological Survey, Catalogue and Table of Con- 

 tents of the Publications of the, 1838-1912. 



— Mineralchemie, Handbuch der. Bd. II. 3 (Bog. 21-30). Bd. III. i 

 (Bog. i-io). [Dresden und Leipzig: Verlag von Theodor Steinkopff, 



1913-] 



— Morgan, P. G., and Bartrum, J. A. List of the Minerals of New Zealand. 

 [Geological Survey Branch, New Zealand Department of Mines. Wel- 

 lington, 1913.] 



— Naturwissenschaften, Die. Heft i: Erster Jahrgang. 3. Januar, 1913. 

 [Verlag von Julius Springer in Berlin W. 9.] 



— Ohern, D. W., and Garrett, Robert E. The Ponca City Oil and Gas 

 Field. [Oklahoma Geological Survey, Bulletin 16. Norman, 191 2.] 



— Ontario Bureau of Mines, Twenty-second Annual Report of. Vol. XXII, 

 Part L Accompanied by Map Showing Route of the Nelson River 

 Exploring Expedition through the Provinces of Manitoba and Ontario; 

 Map of Parts of the Nelson and Hayes Rivers; Map of the Sudbury- 

 Cobalt-Porcupine Region, Province of Ontario; and Map of Toronto 

 and Vicinity. [Toronto, 1913.] 



— Palaeontologische Zeitschrift, Band i, Heft i, Juni 1913. Organ der Palae- 

 ontologischen Gesellschaft. in deren Auftrage herausgegeben von Pro- 

 fessor Dr. 0. Jaekel. [Berlin, Verlag von Gebriider Borntraeger, 1913.] 



— Pammel, L. H. The Weed Flora of Iowa. [Iowa • Geological Survey, Bul- 

 letin 4. Des Moines, 1913.] 



— Parker, C. Australian Mineral Statistics. [From the Mining Standard. 

 Melbourne and Sydney, 19 13.] 



— Parsons, C. L. Fuller's Earth. [U.S. Bureau of Mines, Bulletin 71. 

 Washington, 1913.] 



— Perisho, E. C, and Visher, S. S. The Geography, Geology, and Biology 

 of South-Central South Dakota. [State Geological and Biological Survey, 

 Bulletin 5. Sioux Falls, June, 191 2.] 



— ^Pollard, J. M., and Heggem, A. G. Mud-laden Fluid Applied to Well- 

 Drilling. [U.S. Bureau of Mines, Technical Paper 66. Washington, 

 1914.] 



— Poynting, J. H. The Earth: Its Shape, Size, Weight, and Spin. [The 

 University Press, Cambridge, England, 1913.] 



— Purdue, A. H. Administrative Report of the State Geological Survey. 

 1912. [Tennessee State Geological Survey, Bxolletin 15. Nashville, 

 1912.] 



— Rabot, C, and Muret, E. Supplement au XVII^ rapport sur les 

 variations periodiques des glaciers. 191 1. [Extrait des Annales de 



