Mesozoic— M. Deperet {Bull. Soc. Geol. France, No. 7, 1888) 
treats of a brackisli-water horizon in the Huronian ; and describes a 
new species of Cassiope, one of Cerithium, and one of Corbula from 
it. The horizon occurs at La Mede and Callauch, near Marseilles. 
M. H. E. Sauvage {Bull. Soc. Geol. France, No. 7, 1888) de- 
scribes the reptiles of the Upper Portland series of Boulogne-sur- 
Mer. These include Megalosaurus insignis, Iguanodon preskvichii 
Caulodon iwecursor, a Dinosaurian not yet named ; three cheloni- 
ans, two crocodilians {Machimosaurus interruptus and GoniophoUs 
tmdidens), an Ichthyosaurus near to /. thyreospondylus, and two 
Plesiosauri. 
The Cretaceous region of the southwest of France presents 
{Bull. Soc. Geol de France) characters strongly contrasting with 
those of the Jura, Pyrenees, and Brittany. The beds offer both 
vertical and horizontal continuity, the country not having experi- 
enced the disturbances of other Cretaceous basins. There is a con- 
siderable hiatus between the Jurassic and the Cretaceous of the 
southwest of France. The Wealden, Neocomian, Urgo: 
Aptian, and Gault are absent, the Cretaceous s 
region until the Cenomanian period. ""' "^ 
that Pachyrhynchiis Dollo, Erqueli'i 
Seeley, are equal to Eticlastes Cope. 
Tertiary.— M. Gosselet {Ann. Soc. Geol. du Kord, July, 1888) 
disputes some of the conclusions of Prof. Prestwich regarding the 
correlation of certain Eocene beds of England with those of Belgium 
and the north of France, and proposes a table in place of that 
drawn up by Prof. Prestwich. M. Gosselet beheves, contrary to 
the opinion of Prof. Prestwich, that the London clay is represented 
in the basin of Paris. 
