118 GEOLOGY. 



Tribolet, Dr. Maurice de. Sur le Gault de Renan. [Gault of Renan.] 



Emid. Jtirass. 1 ann. pp. 370-375. 

 Contains a list of 80 species from the Gaulfc of Eeiian, with re- 

 ferences to their distribution in other localities of the Jura. 



. \_Ammonites tenuilohatiis Zone.] N. JaJirh. Heft vii. pp. 735- 



737. 

 Discussion as to the value of the zone, based on sections in the 

 Jura, Maoonnais, and Haute-Marne. 



Tromelin, Gaston le G. de. Etude de la Faune du gres silurien 

 do May, Jurques, Mont-Robert, etc. (Calvados), avec des observa- 

 tions sur divers fossiles paleozoiques de I'Ouest de la Prance. 

 [The Silurian Grit Eauua of Calvados, with Kotos on several 

 Palaeozoic Fossils of W. France.] Pp. 80. Caen. 



Tromelin, Gaston le G. de, and Paiil Lsbesconte* Essai d'un Cata- 

 logue raisonne des Fossiles Siluriens des Departcments de Maine- 

 et-Loire, de la Loire-Inferieure et du Morbihan, avec des Observa- 

 tions sur les Terrains Paleozoiques de I'Ouest de la France. 

 [Bilurians of W. France.] Compt. Bend. Assoc. Frang. 1875, 

 pp. 601-661. 

 Laurentian, Cambrian, and Silurian rocks occur in the district de- 

 scribed. The bulk of the paper is pala^ontological (see post^ under 

 rNVERTEBRATA). A noto ou the Tertiary and Quaternary beds is added 

 by M. de Tromelin. W. H. D. 



Trutat, E. Les glaciers de la Maladetta et le pic des Posets. 



[Glaciers of the Maladetta and the Posets Peak.] Ann. Club Alp. 



Frang. 2 ann. pp. 440-442. 

 Contains geological notes. 



Vacek, M. Ein neuer Fun dor t von Gault-Petrefacten in Vorarl- 

 berg. ['New locality for Gault Fossils in Vorarlberg.] Verh. Jc.-7c. 

 ijeol Ifeichs. pp. 127, 128. 



Note of occurrence, with list of fossils. 



Vallee Poussin, Prof. C. de la. L'excavation de la vallee de la 



Meuse. [Excavation of the Mouse valley.] Ann. Soc. Geol. Belg. 



t. iii., Bidl. pp. Iv-lix, figure in text. 



Invokes the presence of lines of fracture and faults to account for 



some of the peculiarities of the valley of the Meuse. The discussiou 



shows much difference of opinion (pp. lix-lxi). G. A. L. 



Vanden Broeck, Ernest. Sur I'Eocene moyen des environs de 

 Rruxelles. [Middle Eocene round Brussels.] Ann. Soc. Geol. 

 Nord. t. iii. pp. 174-183, figure in text. 



