426 
tries 
researches has well unravelled the network’ before 
Scientific Intelligence. 
was not understood. 
relatives in the general tertiary series as: recognized in other 
The distinguished author, after extensive 
im, 
coun- 
mpari- 
son of large suites of fossils collected by him, with the collections in 
England. The following table presents at a glance the results arrived at. 
Synoptical Table of Tertiary Formations of Belgium and French Flanders. 
Nomenclature 
Names adopted i d by M. Du- | British iva- | French equiva- . 
this nemoth : paar inh his ae 2 tes ee a jeeti Poets 
of Belgium, 
A....|Loess and Alluvi-| Limon Hesbay-| Brick-earth, pe ira and _|Post-pliocene ene & 
um. en. drift, &e. Lo Pleistocene. 
A 
B. 1.|Antwerp Crag. eg Scal+| goa ‘and’ coral.-icr rag de meets Pliocene. 
| - line Crags of} tan, Norm 
B. 2.|\Sands of Diest. |S. Diestien. Suffolk. die 
C.....| Bolderberg Sands. S. Bolderien. | Wanting. Faluns de la |Miocene. 
Loire. 
D.1 “Bes oe Rape (S. Rupelien. Caleaire ancel 
dai 4 Beauce. 
U pper freshwa-|> po de Grés Up r Eocene 
D.2 piatiy liter 5 Tenerion su-| ter and uppe a Fontaine- tow ver Mio- 
Pluvi périe daatae of t boas cene of many 
zie: ml Isle of Wight ataes One aut 
pote VS ula 
D. 3.|\Lower Limburg. ee Tongrien Sais Marnes supéri- 
E. 1. 8g ta or S, Laekenien. |Barton Clay. |Sables moyens 
mmu- ou Grés de 
lite Wy sinus Beauchamp. 
artolarius), 
E. 2.|Brussels Beds, or 8. Bruxellien. Regs and |Caleaire gros-| Middle Sete 
Middle Numm Bracklesham | sier. mulitic) Eo- 
litic (Nummulites ds. ene . 
levigatus). | 
E. 3. erin N pose Ss. Paniselien? & & Sables ernie 
¢ beds (Num presien, nai 8, - ag 
lites planu latin, étage supérieur| périeu 
F. 1.|London Clay. S. Ypresie London Clay | Wanting. 
étage josoriour. proper. tices ? 
F. 2.|Plastic Clay and/S. Landenien |Lower London|Lignite Soisson- 
Sands. supérieur. Tertiaries. nais. 
G....|Glauconite and/S. Landenien |Wanting. 
Tufeau of Lin-| inférieur. ntermedi’te be 
cent tween Eocene 
and Cretace- 
Hi....|Marls and Glauco-'S. Héersien. | Wanting. 
nite Ts. 
I......|Maestricht Chalk. —— de Ma-| Wanting. Cretaceous. 
tricht. ‘ 
The several beds here enumerated are described with rage re their 
fossils enumerated, and their condition of origin 
iscusse 
vations we find that the three divisions of the middle (or “ag 
mulitic) Eocene are ase aera the upper, by the Nummulites vario- 
the midd 
N. lavigatus, the lower a wes N. ee 
Species of — Echinoderms sees per by 
in 
* 
