RECENT PUBLICATIONS 471 
—Buckman, H. O. The Chemical and Physical Processes Involved in the 
Formation of Residual Clay. [Transactions of the American Ceramic 
Society, Vol. XIII, ro11.] 
—BUCKMAN, S. S. (Editor). Yorkshire Type Ammonites. Part. V. ro Plates, 
and Descriptions. Nos. 38-44. [London: William Wesley & Son, 28 
Essex St., Strand, 1911.] 
— BuckMAN, S. S., AND TUTCHER, J. W. Yorkshire Type Ammonites. Part 
VII. 9 Plates, and Descriptions Nos. 52-60. [London: William Wesley 
& Son, 28 Essex St., Strand, rg12.] 
—Bureau of Soils. A Beneficial Organic Constituent of Soils: Creatinine. 
[U.S. Department of Agriculture, Bureau of Soils Bulletin 83. Washing- 
ton, rgr1t.] 
—Burr, CHARLES H. The Treaty-making Power of the United States and 
the Methods of Its Enforcement as Affecting the Police Powers of the 
States. [Proceedings of the Amer. Philosophical Society, Philadelphia, 
August-September, 1912.| 
—BorrELL, S.A. The Use of Mice and Birds for Detecting Carbon Monoxide 
after Mine Fires and Explosions. [U.S. Bureau of Mines Technical Paper 
11. Washington, 1912.] 
—BurRRELI, S. A., AND SEIBERT, F. M. Gas Analysis as an Aid in Fighting 
Mine Fires. [U.S. Bureau of Mines Technical Paper 13. Washington, 
1g12.] 
—BurtT LER, B.S., AnD GALE, H.S. Alunite, a Newly Discovered Deposit near 
Marysvale, Utah. [U.S. Geological Survey Bulletin 511. Washington, 
1912.| 
—Butlleti del Club Montanyenc. Associaciéd de Ciencies Naturals i Excur- 
siéns. Any I. Barcelona, Abril—Maig, 1912. Ne. 4-5. 
—Cape of Good Hope Department of Mines. Fifteenth Annual Report of the 
Geological Commission. 1910. [Cape Town, ro1t.] 
—Crark, H.H. The Electrical Section of the Bureau of Mines. Its Purpose 
and Equipment. [Department of the Interior, Bureau of Mines Technical 
Paper 4. Washington, ro1t.| 
——. Electrical Symbols for Mine Maps. [Bureau of Mines Technical 
Paper 22. Washington, 1912.] 
—CLARK, W. B., AND MILLER, B. LER. The Physiography and Geology of the 
Coastal Plain Province of Virginia. With chapters on The Lower 
Cretaceous, by Epwarp W. Berry, and The Economic Geology, by 
THOMAS LEONARD WATSON. [Virginia Geological Survey Bulletin IV. 
Charlottesville, 1912.] 
—CLARKE, Epwarp DeECourcy. The Geology of the New Plymouth Sub- 
division, Taranaki Division. [Geological Survey Branch, New Zealand 
Department of Mines Bulletin 14 (New Series). Wellington, 1912.] 
