846 Scientific News. | [ December, 
du Silurien inferieure de Bretagne. 4. DeMorillet, Divisions du 
Quaternaire. 5. Winkler, Origine des dunes sur le littoral de la 
Hollande. 6. Vanden Broeck, Influence des phénomènes météor- 
iques sur l’altération des Roches. 7. W. P. Blake, Geological 
Maps of the United States of North America. “8. Violet d’Aoust, 
Origine des volcans. 9. Bouejot (by M. Delesse), Calcaire blue 
eruptif. 10. Choffat, Mélanges d’horizons stratigraphiques par 
suite des mouvements du sol. 
Papers of the 3d of September: 1. Des Cloizeaux, Microcline 
et Feldspaths tricliniques. 2. Michel Lévy, Emploi du Micro- 
scope polarisant a lumière paralléle pour |’etude des roches. 3. 
Jannetaz, Rapports de la propagation de la chaleur dans les roches 
et de leur structure, au point de vue de leur origine. 4. Vélain, 
Ses Roches trachytiques de la Réunion au point de vue de la 
classification. 5. Sterry Hunt, Terrains Precambriens de |’Amer- 
igue du Nord. 6, Szabo, Classification et chronologie des 
roches éruptives tertiaires de la Hongrie. 7. Ribeiro, Formation 
Tertiaire du Portugal. 8. Chamberlin, The Kettle Moraine of the 
Great Lake district of North America. 
On September the fourth, the Council presented to the Con- 
gress several propositions, viz: 
A committee to propose a system of coloration for geological 
maps. 
A committee to propose a uniform nomenclature for geological 
horizons and formations. 
A committee to investigate and report on a method of uniform- 
ity in nomenclature in paleontology. 
That the second meeting of the Congress take place three 
years hence in Bologna, Italy. 
That in the ézderim the present Council of the Congress trans- 
act its affairs. 
Which propositions were, with slight modifications of their 
original forms, adopted by the Congress. 
The sessions of the Congress were largely attended, and under 
the able ruling of Professor Hébert, were conducted with dispatch 
and effect. The interest of the occasion was enhanced by the 
entertainments offered by the oe elaine of Public Instruction 
and by private citizens. Of the former may be mentioned that 
at the Arts et Metiers, where the garden was illuminated by the 
_ Jablokoff lights, and the one at the residence of the Minister. 
Of the latter, the entertainments at the residences of Profs. Hè- 
bert, Gaudry and Daubrée, will be remembered by those who at: 
tended them. After the adjournment of the Congress a banquet 
was held at the Hotel Continental. 
A number of the members of the Congress remained to take 
part in the annual excursions of the Geological Society of France, 
ich immediately followed. 
In his recent lecture on civilization and science, Prof. Du _ 
