Eighth International Geological Congress.—Frazer. 113 
Scientific memoirs presented by their authors. 
I. Pre-cambrian fossiliferous formations. A very interesting re- 
sumé by the Director of the U. S. Geological Survey of the studies 
which he has so greatly assisted by his personal researches. C. D. 
Walcott. 14 pp. 
Il. the oldest paleozoic faunas, a very succinct statement of the 
classes of paleozoic fossils in New Brunswick, Cape Breton, and New 
_ Foundland. G. F. Matthew. 4 pp. 
III. The eastern rim of the northern part of the basin of the 
Altantic. W. H. Hudleston. 4 pp. 
IV. Old valleys invaded by the sea. Edward Hull. 5 pp. 
V. Dynamometamorphism and piézocrystallization. E, Weinschenk, 
1Q pp. 
VI. Nomenclature of metamorphic contact rocks. W. Solomon. 
5 pp. 
VII. Comparison of the Portlandian of Russia with that of 
Boulogne. A. P. Pavlow. 2 pp. 
VIII. Methods which may contribute to the elaboration of the 
genetic classification of fossils. A. P. Pavlow. 4 pp. 
IX. Precise methods actually employed in the study of vertebrate 
fossils in the United States. H. F. Osborn. 4 pp. 
X. Correlation of horizons of Tertiary mammifers in Europe 
and America. H. F. Osborn. 7 pp. 
XI. Tertiary volcanic phenomena of the Absaroka chain (Wy- 
oming). Arnold Hague. 2 pp. 
XII. Researches into the actual state of the vo'canoes of Central 
Italy. V. Sabatina. 11 pp. 
XIII. Attempt at a general classification of rocks. F. Sacco. 3 pp. 
XIV. On the glaciers and geology of the countries discovered 
by the Belgian antarctic expedition. H, Arctowski. 1 p. 
XV. On the method of expressing and representing the direction 
and inclination of beds. O. Vorwerg. 2 pp. 
XVI. Saline water of water bearing areas in the north of France. 
M. Gosselet. 3 pp. 
XVII. Classification of the Tertiary terranes of Aquitaine. V. 
Raulin. 2 pp. 
XVIII. Instruction in practical geology. L. de Launay. 5 pp. 
XIX. Progress in the production of precious stones in the United 
States. G. F. Kunz. 3 pp. 
XX. Geological formation of Holland and the draining of the 
Zuyderzee. G. J. G. Van der Veur. 8 pp. 
XXI. The recent subterranean explorations and the progress of 
Speleology. E. A. Martel. 15 pp. 
XXII. Geological observations in the grottoes of the Curé and 
of the Yonne. A. Parat. 16 pp. ; 
XXIII. The Jurassic terrane of Madagascar. H. Douvillé. 10 
pp. (contains much new material). 
