RECENT PUBLICATIONS 613 
-OrTMANN, A. E. Mexican, Central American, and Cuban Cambari. [Pro- 
ceedings of the Washington Academy of Sciences. Vol. VIII, pp. 1-24. 
Washington, May 3, 1906.] 
—Park, M. Inst. M. anp M. (London), M.A: Inst. M.E., F.G.S. (London), 
James. The Geology of the Area Covered by the Alexandra Sheet, Central 
Otago Division. [Department of Mines, New Zealand Geological Survey. 
Bulletin No. 2 (New Series). Wellington, New Zealand, 1906.] 
—Parr, S. W. Composition and Character of Illinois Coals. With Chapters 
on the Distribution of the Coal Beds of the State, by A. Bement, and Tests 
of Illinois Coals under Steam Boilers, by L. P. Breckenridge. [Illinois 
State Geological Survey. Bulletin No. 3. Urbana, 1906.] 
—Penck, A. Climatic Features of the Pleistocene Ice Age. [From The Geo- 
graphic Journal for February, 1906.] 
Plan of a Map of the World—Recent Progress in the Execution of a Map 
of the World on the Uniform Scale of 1:1,000,000 (g16 miles to the inch). 
[Vienna.] 
—Puiiprr, E. Die Stérungen der Kreide und des Diluviums aus Jasmund und 
Arkona (Riigen). [Sonder-Abdruck aus Zeitschrift fiir Gletscherkunde. 
I. Band. Berlin, 1906.] 
Ueber Facettengeschiebe aus norddeutschem Diluvium. [Separat-Abdruck 
aus dem Neuen Jahrbuch fiir Mineralogie, Geologie, und Palaontologie. 
Jahrg. 1906. Bd.I. S. 71-80 und Taf. VIII. Stuttgart, 1906.] 
—Pue ps, E. B. The Prevention of Stream Pollution by Strawboard Waste. 
[U. S. Geological Survey. Water-Supply and Irrigation Paper, No. 189. 
Series L, Quality of Water, 17. Washington, 1906.] 
—Prirtz, B.Sc., M.B., J. H. H. A Note on the Geology of Gough Island. 
Also Notes on the Petrology of Gough Island, by R. Campbell, M.A., B.Sc. 
[Reprint from the Proceedings of the Royal Physical Society of Edinburgh. 
Session 1905-06. Vol. XVI, No. 6. Edinburgh, March, 1906.] 
—Prrsson, L. V. Samuel Lewis Penfield, 1856-96. [Am. Jour. Sci., Fourth 
Series, Vol. XXII, No. 131. November, 1906.] 
—PLATANIA, GIOVANNE E PLATANIA, GAETANO. Sul Magnetismo Prodotto da 
- Fulminazioni. [Estratto dalle Memorie della Classe di Scienze della R. 
Accademia degli Zelanti. 3a serie. Vol. IV. 1905-06. Acireale, 1906.] 
—Prinpiz, L. M. The Yukon-Tanana Region, Alaska. Description of Circle 
Quadrangle. [U. S. Geological Survey, Bulletin No. 295. Series A, Eco- 
nomic Geology, 82. Series B, Descriptive Geology, tor. Washington, 
- 1906. ] 
—PumpPeLty, R. Interdependent Evolution of Oases and Civilizations. [Bul- 
letin of the Geological Society of America. Vol. XVII, pp. 637-70. Roches- 
ter, December, 1906.] 
