Tate — List of Irish Liassic Fossils. 
5 
Avicula Shales . . 
White Lias 
Avicula 
Shales 
White 
Lias 
Planorbis 
Zone 
Angulatus 
Zone 
Bucklandi 
Limestone 
Belemnite 
Shales 
Ballintoy 
Marls. 
Total species 
known 
and inferred. 
Per centage 
of restricted 
Species. 
24 
18 
13 
4 
5 
3 
4 
•- 
1 
|1 
j 29 
83 
Planorbis Zone . . 
24 
22 
8 
7 
I 
\) 
1 >• 122 
75 
Angulatus „ 
120 
26 
17 
I 
) 
Bucklandi „ 
33 
22 
I 
33 
18 
Belemnite Shales 
44 
1 2 
44 
45 
Ballintov Marls 
1 - 
.. 
16 
16 
87-5 
The specific names in List No. 2 supersede those which have previously 
been employed by me. The alterations have been necssitated in some cases 
on account of erroneous determinations, but, in the majority, because of the 
preference given to older names and synonymous denominations. 
