INDEX 
TO FOSSILS DESCRIBED OR NOTICED IN THIS VOLUME. 
[The heavier figures indicate a description of the genus or species.] 
PAGE. 
page. 
Acroculia erecta, H., 
5 
Belleropiion, Montfort, 
49, 94, 140 
Actinoceras, Broun, 
217, 226, 227, 
247 
B. 
acutilira, H, . 
.106 
A. Beaudanti, Castel., 
219 
B. 
bilobatus, Sow , 
105 
A. Bcautnonti, Castel., 
219 
B. ? 
brevilineatus, Conr., 
. 106, 107 
A. Bigsbii, Stokes, 
. 217, 
226 
B. 
cancellatus, H., 
112 
A. Blainvillei, Castel., 
219 
B. 
Chasteli, Leveille, 
.108 
A. Cordieri, Castel., 
219 
B. 
clathratus, d'Orb., 
112 
A. Deshaysi, Castel., 
219 
B. 
crenistria, H., . 
.116 
A. Dufresneyi, Castel., . 
219 
B. 
curvilineatus, Conr., 
94, 121 
A. inops, Daws , 
224 
B. 
decussatus, Fleming, 
.112 
A. Lvonii, Stokes, 
. 217, 
219 
B. 
dubia, d'Orb., 
94 
A. Richanlsoni ? Stokes, 
. 217,219, 
226 
B. 
elegans, d'Orb., 
.112 
Actinocrinus Casserlayi, Lyon, 
. 
144 
B. 
expansus, H., 
108 
A. eucharls, B., 
144 
B. 
expansus, Sow., 
. 198, 109 
A. Kentuckensis, Shum., 
144 
B. 
explanatus, B., 
109 
A. multicornis, Lyon, 
144 
B. 
Helena, B., 
.114 
A. pentaspina, Lyon, 
144 
B. 
liiulcus, Martin, . 
115 
Amboccelia umbonata {Conr.), . 
145 
B. 
hyalinus, H., . 
.99 
Ancyrocrinus bulbosus, H., . 
144 
B. 
Beda, H., 99 
102, 110, 113, 114, 115, 122, 146 
A. spinosus, H., 
144 
B. 
Lyra, 11., 
102, 112, 113, 114, 118, 122, 146 
Aploceras (Cyrtoeeras) liratum, B., 
364 
B. 
M:era, H., . 
119,132, 191 
Athyris Cora, B., . 
145 
B. 
Murehisoni, d'Orb., 
.107 
A. spiriferoides {Eaton), 
145 
B. 
nactus, H., . 
131 
A. vittata, B. , . 
145 
B. 
natator, B., 
. 108, 110 
Atrypa aspera (Schloth ), 
. 145, 
148 
B. 
Neleus, B.- W., 
. . . . 119 
A. reticularis {Linn.), 
145, 
148 
B. 
Newberryi, Meek, 
97, 98, 99, 102, 122 
Aviculopecten erassicostatus, B., . 
145 
B. 
obsoletus, B., 
138 
A. parilis {Conr.), 
145 
B. 
Otsego, B., 
.104 
A. pecteniformis {Conr.), 
145 
B. 
patulus, B., . 97,98 
100,103, 104, 112, 122, 123, 146 
A. princeps {Conr.), 
145 
B. 
patulus, H.-W., . 
97 
Bactrites, Sandberger, 
315 
B. 
Pelops, B., 
95, 96, 97, 105, 122 
B. carinatus, Munster, 
315 
B. 
Pelops, v. exponens, 
B., ... 96 
B. clavus, H., 
. 
316 
B. 
propinquus, Meek, 
95, 96, 98, 122 
B. gracilis, Sandb., . 
315 
B. 
repertus, B., 
138 
B. subconicus, Sandb., . 
315 
B. 
rotalinea, B., . 
.115 
Baculites, Quenstadt, 
20 
B. 
rudis, B., 
. 102, 103, 104, 118 
Balanti0M, Leachl . 
174 
B. 
Thalia, B., 
.105 
61 
