RECEN T P UBLICA TIONS 283 



-Porto Rico, Report on the Census of 1899. Taken under the direction 

 of the War Department. Washington: Government Printing Office, 

 1900. 



-PkOSSER, Charles S. Names for the Formation of the Ohio Coal-measures.. 

 [From the American Journal of Science, Vol. XI, March 1901.] 

 Sections of the Formations along the Northern End of the Helderberg 

 Plateau. [From the Eighteenth Annual Report of the State Geologist.] 

 Albany, N. Y., 1901. 



-Richter, E. Les Variations Periodiques des Glaciers. Cinquieme Rap- 

 port, 1899, Commission Internationale des Glaciers. [Extrait des 

 Archives des Sciences physiques et naturelles, t. X, 1900.] Geneve, 

 Librairie Georg & C ie , 1900. 



-Ritchey, G. W. Celestial Photography with the 40-inch Visual Telescope 

 of the Yerkes Observatory. [Reprinted from the Astrophysical Journal, 

 Vol. XII, No. 5, December 1900.] The University of Chicago Press, 

 Chicago.] 



-Rogers, A. W. and E. H. L. Schwarz. The Orange River Ground 

 Moraine. [Reprinted from the Transactions of the Philosophical Society 

 of South Africa, Vol. XI, Part II, September 1900.] 



-Smith, James Perrin. Principles of Paleontologic Correlation. [Reprinted 

 from the Journal of Geology, Vol. VIII, No. 8, 1900.] The Univer- 

 sity of Chicago Press, Chicago. 



The Biogenetic Law from the Standpoint of Paleontology. [Reprinted 

 from the Journal of Geology, Vol. VIII, No. 5, 1900.] The Uni- 

 versity of Chicago Press, Chicago. 

 The Larval Coil of Baculites. [Reprinted from The American Naturalist, 

 Vol. XXXV, No. 409, January 1901.] Ginn & Co., The Atheneum 

 Press, Boston, 1901 . 



-Smithsonian Institution, Annual Report of, for the year ending June 30, 1897. 

 Report of the U. S. National Museum. Part II. A Memorial of George 

 Brown Goode. Washington, 1901. 



-Stevenson, John J. Edward Orton. [Reprinted from the Journal of 

 Geology, Vol. VIII, No. 3, April-May 1900.] The University of 

 Chicago Press. 



The section at Schoharie, N. Y. [Reprinted from Annals New York 

 Academy of Sciences, Vol. XIII, No. 3, pp. 361-380, January 12, 

 1901.] Lancaster, Pa., The New Era Printing Co., 1901. 



-Stuart-Menteath, P. W. Progres de la Geologie des Pyrenees. Sur 

 les Pyrenees de la Feuille de Mauleon. [Extraits du Compte-Rendu 

 Sommaire des Seances de la Societe Geologique de France No. 16, 



