RECENT PUBLICATIONS 381 
—Ricuarps, R. W., AND Brinces, J. H. Sulphur and Pyrite. Advance 
Chapter from Contributions to Economic Geology (Short Papers and 
Preliminary Reports), 1910. Part I, Metals and Non-Metals, except 
Fuels. [U.S. Geological Survey Bulletin 470-J. Washington, ro11.] 
—Ricwarps, R. W., MANSFIELD, G. R., GALE, H. S., AND BLACKWELDER, 
Euror. Advance Chapter from Contributions to Economic Geology 
(Short Papers and Preliminary Reports). 1o10. Part I, Metals and 
Non-Metals except Fuels. Phosphates. [U.S. Geological Survey Bulletin 
470-H. Washington, 1911.] 
—Rtrs, H. The Clay and Shale Deposits of Nova Scotia and Portions of 
New Brunswick. [Journal of the Canadian Mining Institute. Part of 
Vol. XIIT.] 
—Rtrs, H., anp ALLEN, S. W. The Relation between the Tensile Strength 
of Raw Clays. [Reprinted from Vol. XII, Transactions of American 
Ceramic Society. Read at Pittsburgh Meeting, February, 19r1o0.] 
—Rocers, A. W., AND Swarz, E. H. L. Geological Map of the Province of 
the Cape of Good Hope. Sheet XIII (Beaufort West-Fraserburg). 
[Published by the Geological Commission, Cape Town, rort.] 
—Rocers, A. W., Swarz, E. H. L., anp Du Tort, A. L. Geological Map of 
the Province of the Cape of Good Hope. Sheet XI (Clanwilliam). 
[Published by the Geological Commission, Cape Town, rg1t.] 
—Romer, E. Bulletin de la Société vaudoise des sciences naturelles. 
Mouvements épeirogéniques dans le haut bassin du Rhone et évolution 
du paysage glaciaire. (se S., Vol. XLVII. Mars r1o11. No. 172. 
Lausanne: Imprimeries réunies S.A.| 
—Roors, James D. What Becomes of the Sunlight and Heat Absorbed by 
the Earth? A Description of the Continuous Cycle of Operations of the 
Energy of the Solar System, and the Cause of Gravitation. [London: 
Elson & Son, 1910.] 
—Sacco, F. L’Appennino meridionale: Studio geologico sintetico. [Roma: 
Tipografia Cuggiani, ro1t.| 
Cenni di geologia applicata sull’ Appennino meridionale. [Perugia: 
Tipografia Guerriero Guerra, 1910.]| 
—ScHMECKEBIER, L. F. Catalogue and Index of the Publications of the 
Hayden, King, Powell, and Wheeler Surveys [U.S. Geological Survey 
Bulletin 222. Washington, 1904.] 
—Scumipt, Ros. Rup. Die spaetpalaeolithischen Bestattungen der Ofnet. 
[Aus dem r. Erganzungs-Band zu “‘ Mannus” Zeitschrift fiir Vorgeschichte. 
Curt Kabitzsch (A. Stuber’s Verlag), Wiirzburg.| 
—ScuMIpt-TUEBINGEN, Ros. Rup. Die palaeolithischen Kulturen und die 
Klimaschwankungen in Deutschland nach dem Maximum der letzten Eis- 
zeit. [Sonderabdruck aus dem Korrespondenz-Blatt der deutschen 
