TABLE OF SPECIES. 
GENERA AND SPECIES. 
Plate and figure. 
Page. 
Rocks 
& 
Groups. 
Potsdam sandstone. 
Calciferous sandstone. 
Chazy limestone. 
Birdseye limestone. 
Black-river limestone. 
Trenton limestone. 
Utica slate. 
Hudson-river group.' 
1 
Alecto inflata, Hall . 
77 
+ 
1 
Chaetetes, sp. indet . 
18 
+ 
2 
— lycoperdon ? Say . 
xii, 3, 5 
48 
+ 
+ 
2 
— lycoperdon, Say .< 
xxiii, 1, 2, 3; xxiv, 1 
lxxv, 2 a - f 
64 
276 
+ 
+ 
3 
— rugosus, Hall . 
xxiv, 2 a, b 
67 
+ 
4 
— columnaris, “ . 
68 
+ 
1 
Stromatocerium rugosum, Hall . 
48 
+ 
+ 
? 
1 
Porites ? vetusta, 66 . 
71 
+ 
1 
275 
+ 
1 
Columnaria alveolata, Gold fuss . 
47 
+ 
1 
Streptoplasma expansa, Hall . 
iv, 6 a, b 
17 
+ 
2 
— profunda, “ . 
xii, 4 a - d 
49 
+ 
3 
— corniculum. “ . 
69 
.. 
4- 
4 
70 
_L 
5 
— multilamellosa, “ .... 
xxv, 3 a, b, c 
70 
4- 
6 
71 
+ 
i 
Discophyllum peltatum, “ . 
lxxv, 3 
277 
+ 
i 
Stellipora antheloidea, <c . 
79 
4- 
i 
Receptaculites neptunii ? Defiance .. 
xxiv, 3 a - d 
68 
\ 
+ 
. . 
1 
(Genus?) cyathiformis. Hall . 
72 
+ 
1 
lxxv, 4 
277 
+ 
CRINOIDEA. 
i 
Actinocrinus temiiradiatus, Hall . 
iv, 8, 9 
18 
-f 
2 
— sp. indet . 
iv, 10 
IS 
4- 
1 
81 
_L 
9 
— striatus, “ . 
316 
1 
* * 
3 
86 
1 
J 
Poteriocrinus alternates, Hall .... 
S3 
x 
** 
2 
— gracilis, “ .... 
xxviii, 2 a - f 
84 
4- 
“ 
1 
85 
+ 
i 
1 
279 
_L 
2 
— simplex, “ .... 
lxxvi, 2 a - d 
280 
i 
i 
J- 
O 
— ? gracilis, “ .... 
lxxvi, 3 a, b 
280 
+ 
j- 
1 
Glvptocrinus decadactylus, “ .... 
lxxvii, 1 ; lxxviii, 1 
281 
1 
89 
+ 
1 
1 
Asterias ? (sp. indet ) ..... 
iv, 11 a , b 
18 
+ 
9 
— matutina, Hall . 
xxix, 5 a, b 
91 
? 
BRACHIOPODA. 
l 
Lingula prima, Conrad . 
i, 2 a, b 
3 
_L 
2 
— antiqua, Hall . 
i, 3 a - e 
3 
1 
+ 
3 
— acuminata, Conrad . 
9 
+ 
4 
— attenuata ? Sowerby . 
xxx, 1 a, b 
94 
4- 
5 
— riciniformis, Hall . 
xxx, 2 a, b, c 
95 
+ 
6 
— Eequalis, “ . 
xxx, 3 a, b 
95 
4- 
7 
— quadrata, Eichwald . 
xxx, 4 ; lxxix, 1 
96,185 
4 
8 
— elongata, Hall . 
xxx, 5 
97 
4 
I 
9 
— curta, Conrad . 
xxx, 6 a, b 
97 
4- 
+ 
10 
— obtusa, Hall . 
xxx, 7 a, b, c 
98 
11 
— crassa, “ .. 
xxx, 8 a — e 
98 
+ 
? 
1 
Orbicula ? deformata, Hall . 
iv bis, 10 
23 
+ 
2 
— filosa, “ . 
99 
3 
— lamellosa, “ .. 
xxx, 10 a, b 
99 
+ 
4 
— terminalis, Conrad . 
xxx, 11 a - d 
100 
*■ 
323 
