LAMELLIBRANCHIATA. 
Lower. 
Middle 
Upper. 
SPECIES. i ,* 
J 1 
iE 
j 
v 
g 
3 
09 
1 
. 
I 
1 
00 
'3 
. 

* 
REMARKS. 
c 
r^ 

| 
JZ 
cS ^ 
& 
<j 
,: 
s 
5 
;5 

~ .1. 
p 
SJ 
i* 

* 1 
1 

5 
g 
5 
3 
3 
+3 
"3 

A 

i 
^ g 
q 
', 
d 
H 
^ 
5 
u 
~, 
1 
^ 'i 
5 
^ 




S 
1 
^ 
4 
J 
J 


| 
F - 
(MONOMYARIA) COUt. 
Pinna cont. 
semistriata, Blake, v. P. 
Hartmanni. 
spathulata, Talc, 
T 
T 
) 
Yorksh. Lias, p. 376, pi. 
2 
l 
xiv., f. 2. 
Jm 
Plagiostoma, v. Lima. 
Wm 
i 
rusticum, Y. & B., v. Lima 
Hermanni. 
Plicatula : 
calva, Desl., (Harpax) 
T 
T 
Plic. Foss., p. 57, t. xii., 
f. 10-13 ; T. & B., p. 369 ; 
i 
i 
2 
? Placuna femiginea, 
Simp., p. 177. 
Hasina, Terquem, 
(Spondylus) Pal. de 
Hett.. p. 327, i. 23, t. 7 ; 
T 
6 
T 
i 
Abundant in the an- 
gulatus-zone. 
Terquem & Piette, Lias 
Inf., p. 107, t. xiii., f. 11- 
'ill 
1 
13 ; T. & B., p. 369. 
spinosa, Sow., M. C., t. 
245, f. 1-4 ; Y. & B., t. ix., 
f. 6 ; Phil., G. Y., pi. xiv , 
T 
i 
2 
Jin 
T 
i 
m 
2 
T? 
2 
2 
Abundant in zone of 
Am. Jamesoni, rare 
in zone of Am. capri- 
oornns. Possiblv 
another species in 
zone of Am.spinatus. 
f. 15 ; Simp., p. 178 ; T. & 
B., p. 3<K. 
Posidonomya : 
Bronni. Voltz, Zieten, 
T 
s 
Verst. Wiirt., t. 54; f. 
i 
i 
4; Goldf., t. 113, f. 7 ; T. 
t 
Jm 
& B., p. 373. 
t 
i 
Spondylus : 
Hasina, Terquem, v. Pli- 
catula. 
velatus, Goldf., v. Hinnites 
tumidus. 
LAMELLIBRANCHIATA. 
(DlMYARIA,) 
Aiiiphidcsina : 
j 
tequalis j gimp., v. Pleu- 
1 
contracta ) rom y a - 
irregttlare, Simp., v. 
Gresslya donaciformis. 
rotundata, Ziet., v. Pleu- 
romya. 
Area: 
. 
Buckmani, Richardson, v. 
Macrodon. 
, 
i i 
