INTRODUCTION. 
XV 
Table ( continued ). 
Primary 
Secondary. 
Tertiary. 
Recent. 
c 
m 
j Devonian. 
DC 
O 
5 
3 
rf> 
5 
O 
| Permian. 
GC 
p 
g 
DO 
Lower Oolite. 
j Upper Oolite. 
G 
• 3 
S 
o 
o 
o 
© 
£ 
| Gault. 
[ Upper Greensand. 
Chalk. 
1 Lower. 
Middle. 
Upper. 
fPlanularia 
* 
* 
* 
? 
* 
* 
* 
* 
* 
* 
* 
Flabellina 
* 
* 
? 
* 
* 
* 
Polymorpbina 
* 
* 
* 
* 
* 
1 * 
* 
* 
* 
* 
* 
L vigerina 
* 
* 
* 
Orbulina 
1 * 
* 
* 
* 
* 
* 
Globigerina... 
* 
* 
* 
* 
* 
* 
* 
Pullenia 
* 
* 
* 
? 
* 
Spbaeroidina 
* 
* 
* 
9 
* 
Spirillina 
... 
* 
* 
* 
* 
* 
Patellina 
... 
* 
* 
* 
* 
Discorbina 
* 
* 
* 
* 
8 
Planorbulina 
* 
* 
* 
* 
* 
* 
* 
* 
* 
* 
■•s 
Carpentaria 
... 
9 
9 
* 
§ 
Tinoporus (Gypsina) 
* 
* 
* 
* 
420 
Cymbalopora 
... 
.. . 
* 
* 
* 
S3 
Pulvinulina 
* 
* 
* 
* 1 
* 
* 
* 
* 
* 
* 
* 
3 
Rotalia 
... 
* 
* 
* 
* 
* 
£ 
Calcarina 
* 
* 
* 
* 
* 
* 
Nonionina 
? 
... 
* 
K 
* 
* 
* 
Polystomella 
* 
* 
* 
* 
* 
Archaediscus 
* 
Amphistegina 
* i 
... 
* 
* 
* 
* 
Fusulina 
* 
* 
Orbitoides 
•* 
* 
* 
Cycloclypeus 
* 
* 
Heterostegina 
... 
* 
* 
* 
Operculina 
... 
* 
* 
* 
# 
* 
* 
i^Nummulites 
* 
* 
9 
? 
* 
* 
* 
* 
sl 
( Syringosphaeria 
' Stoliczkaria 
* 
* 
* ° ] 
a, s J 
! Receptaculites 
* 
* 
Ischadites 
# 
3 rtf 
jg © 
Sphaeronites 
* 
3 M 
k Sphaerospongia 
* 
a 
In view, then, of aiding at the same time in a special and a compre- 
hensive study of the Fossil Foraminifera and such allied Rhizopods as are 
preserved in the British Museum, a combined geologico-geographical 
arrangement has been adopted, of which the following Table of reference 
is an exposition : — 
