83 
CHALK SERIES 
s 
c 
1752 
A 
England; chalk 
s 
c 
1753 
B 
[No locality given]; chalk 
s 
c 
1754 
C 
[No locality given]; chalk 
s 
p 
c 
1755 
D 
[No locality given]; chalk 
s 
c 
1756 
E 
Dover, England; chalk 
s 
p 
c 
1757 
F 
Dover, England; chalk; [Note hy Charles Stodder:] 
"This catalogue cannot belong to this slide."; cleaned 
s 
p 
c 
1758 
G 
Chalk 
c 
1759 
H 
Dover, Sussex, England; chalk 
s 
c 
1760 
I 
[No locality given]; chalk from interior of a flint; 
silicified polythalamia from Dr. Mantell 
s 
c 
1761 
J 
Menton, France; chalk 
s 
c 
1762 
K 
Menton, France; chalk 
c 
1763 
L 
Oran, Algeria, Africa; chalk, marl; Ehrenberg 
c 
1764 
M 
Oran, Algeria, Africa; chalk, marl; Ehrenberg 
