34 
SYNOPTICAL TABLE. 
1 
' 
No. 
Species. 
English Cretaceous. 
Foreign Cretaceous. 
Tertiary 
o 
pcs 
iNFliA- 
CKETA- 
TABLE 
SHOWING THE PER 
CENTAGE OF THE 
JriPECIES IN THE 
Chalk, Detritus, 
AND Gault. 
1 Chalk. 
1 Red Chalk. 
1 Charing Detritus. | 
a 
O 
O 
<p 
O 
U 
p 
S-l 
C/2 
Chalk. 
1 UpperChalk. I North 
1 Lower Chalk, i Germany. 
j. Bohemia. 
1 Inf. Greensand 1 France. | 
Hils-day|Nortli Germany. J 
<v 
c 
(U 
o 
o 
W 
<V 
O 
_o 
Pliocene. j 
Upper Oolite. "j ; 
Carboniferous Limestone. J ! 
1 Maestriclit. 
c5 
o 
1 Balsberg. 
c5 
S 
:0 
'S 
Chalk. 
1 Chalk-marl. 
Chalk. 
^ § 
on 
Gault. 
J 
1 
Cythere Hiiseana . 
— 
— 
+ 
+ 
+ 
+ 
— 
- 
- 
+ 
— 
— 
— 
+ 
+ 
— 
+ 
+ 
+ 
— 
G- 
14-5 
2 
C. punctatula . 
+ 
— 
+ 
+ 
+ 
— 
+ 
— 
- 
— 
- 
— 
— 
+ 
+ 
+ 
1-8 
1-5 
2- 
3 
C. umbonata 
+ 

+ 
+ 
2-5 
1 *5 
_ 
4 
C. Faba .... 
4- 
•1 
5 
0. Rairdiann. . 
6 
Cytliereis interrupta 
+ 
— 
+ 
— 
+ 
+ 
— 
+ 
— 
— 
— 
— 
— 
— 
— 
— 
— 
— 
— 
— 
+ 
•75 
•5 
5- 
7 
C. Gaultina . 
— 



+ 
■5 
8 
C. macrophthalma . 
J- 
- 
— 
— 
- 
+ 
•35 
— 
+ 
+ 
O' 
9* 
y 
X-/' • i X 1 iJi.iLcl' Lcl ■ • • 
/ 0 
10 
C. quadrilatera . 
+ 
— 
+ 
~ 
+ 
_ 
— 
— 
- 
— 
+ 
+ 
— 
+ 
+ 
+ 
— 
— 
— 
— 
— 
+ 
2- 
7-5 
41-5 
11 
C. Lonsdaleiaua 
+ 
- 
+ 
4- 
— 
•1 
12 
C. cornuta 
+ 

+ 

+ 


_ 
4 - 
4- 
2-5 
1 ^ 
4 - 
4 - 
+ 
4- 
3^ 
13- 
20-5 
14 
C. alata .... 
+ 
+ 
j 1 '5 
•1 
15 
Baii’dia subdeltoidea 
+ 
— 
+ 
+ 
— 
— 
+ 
— 
+ 
_ 
+ 
+ 
+ 
— 
— 
+ 
+ 
+ 
+ 
— 
+ 
:27- 
21- 
— 
1C 
B. Siliqua . 
4 - 
— 
+ 
+ 
— 
+ 
4- 
1-5 
— 
17 
B. Harrisiana . 
+ 
- 
+ 
— 
— 
— 
+ 
— 
- 
— 
— 
— 
— 
— 
— 
- 
— 
— 
— 
+ 
— 
+ 
•75 
5-5 
— 
18 
B. angusta . 
+ 
— 
+ 
— 
H- 
— 
— 
- 
— 
— 
+ 
+ 
— 
— 
+ 
— 
+ 
+ 
+ 
+ 
+ 
•1 
•1 
1-5 
19 
B. triquetra . 
+ 

+ 
•35 
90 
B. Silicula 
4- 
•1 
21 
Cytherella ovata 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
4- 
4- 
4- 
38-5 
26- 
8- 
22 
C. trnncata . 
+ 
+ 
~f 
+ 
+ 
— 
— 
— 
+ 
+ 
3- 
?■ 
2- 
23 
C. Williamsoniana 
+ 
+ 
+ 
+ 
9-5 
3-5 
2- 
24 
C. appendiculata . 
— 
+ 
■1 
25 
C. Mantelliana . 
+ 
•1 
26 
|C. Bosquetiana . 
+ 
•1 
•1 
