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Rh, of Belgium; Prof, de Lapparent, of France; Prof. J. Szabó, of Hungary; Profs. Delgado, Choffat, Bensaude, Goncalves, and de Lima, of Portugal; Prof. Stefanescu, of Roumania; Prof. Mayer-Eymar, of Switzerland; Profs. Capellini and de Zigno, of Italy; Prof. Nikitin, of Russia; Prof. Stur, of Austria; Prof. Vilanova, of Spain; Prof. Johnstrup, of Denmark; Prof. Kjerulf, of Norway; Prof, van Calker, of Holland; and Prof. Torrell, of Sweden.

The committee on the unification of the nomenclature of rocks comprises Knop, Zirkel, and Rosenbusch, of Germany; Golliez, Hutenmal, and Schmidt, of Switzerland; Renard and de la Vallée Poussin, of Belgium; Behrens and Wichmann, of Holland; Macpherson and Gonzalo y Farin, of Spain; Bensaude, of Portugal; Michel-Levy, Barrois, and La Croix, of France; Teall, Geikie, and Judd, of England; Brögger, of Norway; Zujovis, of Roumania; Löwinson-Lessing, of Russia; Tietze and Tschermak, of Austria-Hungary; J. P. Iddings,Whitman Cross, and C. R. Van Hise, of the United States; and Barcena, of Mexico.

A committee will report on an exhaustive study of the changes which occur in glaciers, for which Prince Roland Bonaparte is chairman and pays the cost. It is composed as follows: Richter, of Austria; Fintswalder, of Germany; Reid, of the United States; Bonaparte, of France; Hall, of England; and Forel, of Switzerland.

The original American committee of the International Congresses has been somewhat decimated by death. It comprised Prof. James Hall, chairman, Albany; Dr. Persifor Frazer, secretary, Philadelphia; the late Dr. J. S. Newberry, New York; the late Dr. T. Sterry Hunt, Montreal; Prof. C. H. Hitchcock, Hanover, N. H.; Prof. Raphael Pumpelly, Newport; Prof. H. S. Williams, Yale; Prof. J. P. Lesley, Philadelphia; Major J. W. Powell, Washington; the late Prof. G. H. Cook, Brunswick, N. J.;