330 
PALAEONTOLOGY OF NEW-YORK. 
RECAPITULATION OF THE PRECEDING TABLE, 
SHOWING THE NUMBER OF SPECIES PECULIAR TO EACH FORMATION, AND ALSO THE NUMBER COMMON 
TO SEVERAL FORMATIONS. 
RESTRICTED TO THE 
COMMON TO 
THE 
CLASS 
OR 
ORDER. 
O 
w 
% 
w 
X 
> 
CZ2 
V 
M 
O 
5 
C/2 
^ Potsdam sandstone. 
Calciferous sandstone. 
1 
Chazy limestone. 
Birdseye limestone. 
Black-river limestone. 
j Trenton limestone. 
Utica slate. 
\ Hudson-river group. 
l Potsdam and succeeding strata. 
j Calciferous and succeeding strata, j 
Chazy and Black-river limestones. 
| Birdseye, Black-river and Trenton 
limestones, & Hudson-river grouD. 
Birdseye & Black-river limestones. 
Black-river & Trenton limestones. 
Trenton, U. slate & Hudson-river. 
Trenton limestone & Utica slate. 
Trenton a^d Hudson-river group. 
' Utica slate & Hudson-river group. 
Plant.* . 
4 
14 
i 
3 
4 
1 
5 
•• 
Incertas sedes, 
3 
4 
2 
1 
1 
ZOOPHYTA .... 
19 
50 
• • 
7 
1 
3 
19 
3 
13 
1 
1 
1 ? 
1 
ClUNOIDEA . . . . 
8 
15 
•• 
. . 
' 3 
• • 
7 
3 
1+1 ? 
Brachiopoda .. 
7 
77 
2 
1 
10 
• • 
51 
•• 
5 
3 
1 
3+1 ? 
Acephala .... 
12 
49 
1 
1 
•• 
26 
1 
13 
4+1 ? 
2 : 
Gasteropoda.. 
17 
71 
8 
13 
9 
.. 
28 
6 
• • 
1 
1 
• • 
1+1? 
Cephalopoda. . 
11 
68 
•• 
1 
4 
2 
10 
40 
2 
5 
1 ? 
1 ? 
• • 
1 
1 ? 
•• 
Crustacea ... 
14 
33 
•• 
7 
4 
•• 
13 
1 
3 
3 
•• 
1 
1 
Total. ..... 
95 
381 
3 
13 
45 
19 
13 
188 
8 
54 
0 
1 
1 
1 
1 
3 
6 
2 
20 
3 
