490 
INDEX. 
PAGE. 
PAGE. 
Orthoceras Vindobonense, Dares., 
224 
Platyceras nodosum, Conr., 
. 17 
O. 
virgatum, Sow ., 
218, 
220 
P. 
perplexum, H., . 
4 
O. 
virgulatum, H., . 
220, 
232 
P. 
perplicatum, H., 
4 
o. 
vulgatum, Bill., 
220 
P. 
pyramidatum, H , 
. . 4 
0. 
Whitei, Winch., . 
223 
P. 
rietum. H , 
11, 13, 145 
0. 
Winchelli, M.-W., . 
223 
P. 
subnodosum, H., 
. 17, 18 
0. 
Woodvrorthi, McChesn., 
222 
P. 
subreetum, 77, 
1 
0. 
Xerxes, Bill., 
223 
P. 
symmetrieum, H., 
. 8, 9,10, 145 
0. 
Xiphias, Bill , 
220 
P. 
Thetis, H., 
4, 8,9, 10 
o. 
Zeus, H , 
234, 335, 275, 
306 
P. 
tortuosum, 77., 
. 2, 3 
0. 
(Aetinoceras) Richardsoni ?, Stokes, 
, 
226 
P. 
undatum, H., 
. 17 
o. 
(A. ) Bigsbyi, Stokes, 
217, 
226 
P. 
ventricosum, Conr., 
11 
0. 
(Endoceras) Atlanticum, Barr. 
226 
F. 
(Orthonychia) attenuatum, H., 
6, 9 
0. 
(E. ) insulare, Barr., . 
226 
P. 
(O. ) concavum, H., 
3 
0. 
(E. ) longissimum, H., 
226 
P. 
(0. ) conicum, 77., 
3 
0. 
(E. ) Marcoui, Barr., . 
226 
P. 
(O. ) dentalium, 77., 
. 2, 3 
0. 
(E. ) Uottermundi, Barr., 
223, 
226 
P. 
(O. ) perplexum, 77., . 
, . 4 
o. 
(Huronia) Bigsbyi, Stokes, 
217, 
226 
P. 
(O. ) subrectum, 77., 
1 
0. 
(H. ) Canadense, Bill., 
226 
Platycrinus Leni, Lyon, 
, . . 144 
o. 
(H. ) distincta, Barr., 
226 
Pi.ATYOSTOMA, Conrad, . 
. 20, 21, 49, 129 
0. 
(H. ) minuens, Barr., 
226 
P. 
aplata, 77., 
. 26 
0. 
(H. ) Portlocki, Stokes, 
218, 
226 
P. 
deflguratum, 77., 
23, 24 
o. 
(H. ) Rotningeri, Barr ., . 
226 
P. 
euomphaloides, H., 
23, 35 
0. 
(H. ) sphairoidalis, Stokes, 
217, 
226 
P. 
Lichas, II., 
52 
o. 
(H. ) vertebralis, Stokes, . 
217, 
226 
P. 
lineatum, Conr., 
31-26, 29, 31, 145 
o. 
(Ormoceras) Baekii, Stokes, 
226 
P. 
lineatum, v. am plum, 77., 
23 
0. 
(O. ) Bayfleldi, Stokes, 
226 
P. 
lineatum, v. callosum, 77., 
. 23, 25 
0. . 
(0. ) crebriseptum, H., 
226 
P. 
lineatum, v. sinuosum, 77. . 
24 
Orthonychia, Hall, 
• 1, 
2 
P. 
pleurotoma, 77., . 
30 
Pal.eotrociius, Hall, 
133 
P. 
Strophius, 77., 
. 25 
P. 
Kearneyi, H., 
133, 
136 
P. 
turbinalum, 77., . 
22, 27, 29 
Pentamerella arata (Conr.), . 
145 
P. 
turbinatum, var., 77., 
29 
V. 
papilionensis, 77., 
145 
P. 
turbinatum, v. cochleata, H., . 
38, 29 
Pentremites Verneuili ( Troosl), 
141 
P. 
unisulcatum (Conr ), 
. 26 
Phacops bulb, v. rana {Green), . 
146 
P. 
unisuleatum, var., 77.. . 
27 
Phaneiiotinus, Soiverby, . 
54, 
62 
Pleuronotus, Hall, 
. 138 
P. 
paradoxus, Winch., 
60 
Pi.EUROTO maria, de France, 19, 39, 49, 61, 99, 134, 137, 138 
Phokus, Montfort, 
61 
P. 
adjutor, 77., 
80, 83, 85, 86 
Phragmoceras spinosum, Conr., 
358, 
382 
P. ? 
apicialis, 77., . 
. 88 
Phragmostoma, Hall, 
104, 
109 
P. 
arata, 77 , . 
63, 64, 65, 66, 84 
P. 
cymbula, H., 
108 
P. 
arata, v. clausa, 77., 
. 65 
P. 
natator, H , . 
108 
P. 
capillaria, Conr., 
37, 77, 79, 81, 82, 88 
Phrag 
motheoa Boheraica, Barr., 
203 
P. 
capillaria, var., 77., . 
. 87 
Platyceras, Conrad, 
1, 
129 
P. 
clatlirata, Muns., 
74 
P. 
Ammon, 77, 
30 
P. 
conica, Phill., 
. 80 
P. 
Argo, 77 , 
19 
P. 
costulato-canaliculata, Sandb., 
86 
P. 
attenuatum, H., . 
• 6, 
? 
P. 
delicatulji, H., 
70, 74 
P. 
attenuatum, Meek, 
6, 
17 
P. 
disjuncta, 77., 
84 
P. 
auriculatum, II , 
7 
P. 
Doris, H., 
31, 35 
P. 
bucculentum, H , 
10 , 
145 
P. 
Ella, 77 , . 
72, 74 
P. 
carinatum, H., 
5, 8, 
145 
P. 
Estella, 77 , . 
. 145 
P. 
clavatum, H., 
7 
P. 
fllitexta, 77 , 
73 
P. 
conicum, H., 
, 3, 
145 
P. 
Griffithii, McCoy, 
. 134 
P. 
crassum ,77, . 
18 
P. 
Hebe, 77., . . . . 
35, 65, 68, 73 
P. 
cristatum, H., 
145 
P. 
imitator, H.-W., 
53, 143, 146 
P. 
cymbium, H., 
12 
P. 
insolita, 77., 
81 
P. 
dumosum, Conr., 
12, 14,15, 
16,17, 
145 
P. 
Itys, 77., 
76, 78, 87, 145 
P. 
dumosum, v. attenuatum, Meek, 
• 6, 
17 
P. 
Itys, v. tenuispira, 77., . % r 
87 
P. 
dumosum, v. rarispinum, H., 
15, 
16, 
17, 19, 
145 
P. 
Kearneyi, IP, 
. 133 
P. 
echinatum, H ., . 
13 
P. 
lenticularis, Gold/., 
86 
P. 
erectum, H , . 
5 
P. 
lineata, Gold/., 
. 76 
P. 
fornicatum, II , . 
11 , 
145 
P. 
lineata, H., 
76 
P. 
forn., v. contractum, H, 
11 
P. 
Lucina, 77 , . . .53, 
65, 66, 67, 68, 83, 145 
P. 
multispinosum, Meek, . 
• 14, 
15 
P. 
Lucina, v. perfasciata, 77., 
83 
