490 RECENT PUBLICATIONS 



The Devonian Limestones of Central Ohio and Southern Indiana. 



[From the Ohio Naturahst, Vol. VII, No. 8, June, 1907.] 

 — Stone, Ralph W., and Clapp, Frederick G. Oil and Gas Fields of Greene 



County, Pa. [U. S. Geological Survey, Bulletin No. 304. Washington, 



1907.] 

 — Tarr, Ralph S. Second Expedition to Yakutat Bay, Alaska. [From the 



Bulletin of the Geographical Society of Philadelphia, January, 1907.] 

 — ■ Glacial Erosion in Alaska. [From The Popular Science Monthly, Vol. 



LXX, February, 1907.] 

 — Thomson, J. Allen. Inclusions in Some Volcanic Rocks. [From the 



Geological Magazine, N. S., Decade V, Vol. IV, November, 1907.] 

 — Udden, Johan August. Report on a Geological Survey of the Lands Belong- 

 ing to the New York and Texas Land Company, Ltd., in the Upper Rio 



Grande Embayment in Texas. [Augustana Book Concern, Rock Island, 



Illinois, 1907.] 

 — Weeks, F. B. Stratigraphy and Structure of the Uinta Range. [Bulletin of 



the Geological Society of America, Vol. XVIII, pp. 427-48. New York, 



November, 1907.] 

 — Weidman, Samuel. The Geology of North Central Wisconsin. [Wisconsin 



Geological and Natural History Survey, Bulletin No. XVI. Madison, 



1907.] 

 — Weller, Stuart. A Report on the Cretaceous Paleontology of New Jersey, 



Based upon the Stratigraphic Studies of George N. Knapp. Volume IV 



of the Paleontological Series. Part I — Text. Part II — Plates. [Geologi- 

 cal Survey of New Jersey. Trenton, 1907.] 

 — Wells, Horace L. Biographical Memoir of Samuel Lewis Penfield, 1856- 



1906. [Read before the National Academy of Sciences, April 18, 1907. 



Washington, 1907.] 

 — Western Australia Geological Survey. Miscellaneous Reports, Nos. 1-8. 



Bulletin No. 26. [Perth, 1907.] 

 — Wichmann, C. E. a. On Ore Veins in the Province of Limburg. [Koninklyke 



Akademie van Wetenschappen te Amsterdam, Proceedings of June 29, 1907.] 

 — ^Willis, Bailey. A Theory of Continental Structure Applied to North Ameri- 



ica. [Bulletin of the Geological Society of America, Vol. XVIII, pp. 389- 



412. New York, October, 1907.] 

 — ^WiLLiSTON, Samuel W. The Skull of Brachauchenius, with Observations 



on the Relationships of the Plesiosaurs. [From the Proceedings of the U. S. 



National Museum, Vol. XXXII, pp. 477-89. Washington, 1907.] 

 — WiNCHELL, Alexander N. The Oxidation of Pyrite. [From Economic 



Geology, Vol. II, No. 3, April-May, 1907.] 

 — Wright, Fred Eugene. The Measurement of the Optic Axial Angle of 



Minerals in the Thin Section. [From The American Journal of Science, 



Vol. XXIV, October, 1907.] 



