RECENT PUBLIC A TIONS 67 1 



Konnen Gletscher in anstehendem Fels Kare, Seebecken und Thaler 



erodiren ? Stuttgart. 1900. 

 Kiirzere Originalmittheilungen und Notizen. 

 Neue Bemerkungen zu den von A. Cathrein gegen mich gerichteten 



Angriffen. 

 Ueber das Alter des Asta-Granites. 

 Ueber einen Doppelgang von Minette und Granitporphyr bei Schriesheim 



im Odenwald. 

 Ueber Pseudomonotis und Pleuronectites. Berlin, 1900. 



-Schlosser, Max. Parailurus Anglicus und Ursus Bockhi aus den Lig- 

 niten von Baroth-Kopecz. Budapest, 1899. 



-Schuchert, Charles. Lower Devonic Aspect of the Lower Helderberg 

 and Oriskany Formations. Bulletin of the Geological Society of America, 

 Vol. XI, pp. 241-332. Rochester, 1900. 



-Smith, James Perrin. The Development and Philogeny of Placenticeras. 

 Proceedings of the California Academy of Sciences, Third Series. Geol- 

 ogy, Vol. I, No. 7. With five plates. San Francisco, 1900. 



-Smithsonian Institution. Annual Report of the United States National 

 Museum for the year ending June 30, 1898. Washington, 1900. 



-Ries, Heinrich. Limestones of New York and their Economic Value. 

 Preliminary Report. 



The Origin of Kaolin. A paper read at the Detroit meeting of the 

 American Ceramic Society, February 1900. 



-United States Department of Agriculture. Report No. 64. Field Opera- 

 tions of the Division of Soils for the Year 1899. Eleven maps under 

 separate cover. Washington, 1900. 



-Washington Academy of Sciences. Papers from the Harriman Alaska 

 Expedition : 



I'll. Multiplication of Rays and Bilateral Symmetry in the 20-Rayed 

 Star-Fish Pycnopodia Helianthoides (Stimpson). By William E. Ritter 

 and Gulielma R. Crocker. Vol. II, pp. 247-274. 



IV. The Tree Willows of Alaska. By Frederick V. Coville. Vol. II, 

 pp. 275-286. 



V. Notes on the Hepaticse collected in Alaska. By Alexander W. 

 Evans. Vol. II, pp. 287-314. 



VI. The Bryozoa. By Alice Robertson. Vol. II, pp. 315-340. 

 Weller, Stuart. Report on Paleontology. From the Annual Report of 



the State Geologist for the year 1899. Geological Survey of New Jersey. 

 Trenton, 1900. 



