223 
AND THEIR FOREIGN EQUIVALENTS. 
Belgium and 
Holland. 
North and Cen¬ 
tral Erance. 
South op France. 
Italy and Sicily. 
? 
? 
? 
Sicilian (with recent 
marine mollusca). 
Horizon of 
Brest, wii 
phas me 
alis. 
Saint-'' 
th Ele- 
ridion- 
a 
.2 
*(» 
r S3 
a 
o Villafrancian. 
^ (fluvio-lacus- 
g trine). 
passing into 
^ Fossanian. 
o (littoral and 
^ estuarine). 
Horizon of Perrier, 
with Mastodon 
arvernensis, Ta- 
pirus, &c. 
-si 
to 
.S passing into 
to 
a 
u 
OS 
1-1 
1 
Sables a Trophon 
antiquus, or Scal- 
disian. 
Astian. 
Freshwater beds 
with Semno- 
pithecus and 
Mastodon ar¬ 
vernensis. 
Astian. 
(marine, with 20 7o 
extinct mollusca). 
iVa^sa-beds of Saint- 
Martin d^Aubigny 
and Terebratula- 
beds of Saint- 
Georges-de-Bohon 
and Gourbesville. 
passing into 
Sables a Tsocardia 
Cor, or Diestian. 
Diestian sands 
(unfossiliferous). 
Plaisancian. 
Estuarine beds with 
Potamides Bas- 
teroti. Marine 
beds with Nassa 
semistriata. 
Plaisancian 
or Piacentino 
(marine). 
passing into 
Wanting. 
Messinian. 
Brackish-water de¬ 
posits with Con- 
geria. 
Messinian, or Zan- 
clean (brackish- 
water or marine, 
with 83 7o 
tinct mollusca). 
passing into 
Anversiau and 
Bolderian. 
“Falun a Bryozo- 
aires” of Saint- 
Eny. 
Tortonian. 
Tortonian. 
