ABRANCHIA, 128 
Acanthocladia, 48 
ACANTHODID®, 579 
ACANTHOPYGE, 150 
Anglica, 151 
ACERVULARIA, 35 
ananas, 35 
Baltica, 38 
pentagona, 71 
Achelois, 312 
AcIDASPIS, 152 
Brightii, 152 
Acroculia, 290 
ACROLEPIS, 609 
Hopkinsi, 609 
Actinaria, 13 
Actinoceras, 312 
giganteum, 571 
Mocktreense, 315 
Simmsi, 571 
Actinoconchus paradoxus, 436 
Actrnocrints, 55 
Atlas, 120 
Gilbertsoni, 120 
moniliformis, 56 
olla, 121 
polydactylus, 121 
pulcher, 55 
tesselatus, 121 
triaconta-dactylus, 121 
Aectinocyathus, 34 
Actinodonta, 272 
Actinophyllum, 42 
MHonia, 173 
AGANIDES, 401 
Barbotanus, 563 
carbonarius, 563 
diadema, 563 
Gilbertsoni, 564 
Henslowi, 564 
implicatus, 565 
Listeri, 565 
reticulatus, 566 
spheericus, 566 
spirorbis, 567 
vinctus, 401 
var. crenistria, 567 
AGNOSTIN&, 141 
Agnostus pisiformis, 142 
trinodus, 141, 142 
Aleyonaria, 9 
[rasc. 111] 
INDEX 
OF THE FOSSILS DESCRIBED IN THIS WORK; 
COMPILED BY 
JAMES CARTER, M.R.C.S., &c., 
CAMBRIDGE SECRETARY OF THE PALHONTOGRAPHICAL SOCIETY. 
The names printed in Italics are Synonyms. 
ALCYONIDA, 9 
Aleyoniens, 9 
Allorisma, 276 
elegans, 505 
regularis, 507 
ALYEOLITES, 68 
fibrosa, 25 
vermicularis, 69 
AMBONYCHIA, 264 
? acuticostata, 264 
striata, 264 
vetusta, 482 
Ammonites carbonarius, 565 
diadema, 563 
Henslowi, 564 
Listeri, 565 
sacer, 565 
Amphidesma depressa, 495 
pristina, 494 
AMPHITRITA, 132 
Amphoracrinus Atlas, 120 
? olla, 121 
AMPLEXts, 70 
coralloides, 92 
Sowerbyi, 92 
spinosus, 91 
tortuosus, 70 
Ampullaria helicoides, 534 
Ampyx, 147 
latus, 147 
nudus, 148 
Amustum, 478 
? deornatum, 478 
Sowerbyi, 478 
Annellida, 127 
ANNULATA, 127 
AnoponTopsis, 270 
angustifrons, 271 
bulla, 271 
deltoideus, 396 
levis, 271 
? pristina, 494 
quadratus, 272 
securiformis, 272 
Anomia acuminata, 380 
angulata, 439 
biloba, 213 
crispa, 192 
pecten, 245 
pugnus, 380 
reticularis, 198 
Anomites aculeatus, 458 
cuspidatus, 426 
giganteus, 463 
glaber, 428 
lineatus, 429 
productus, 467 
punctatus, 469 
resupinatus, 449 
sacculus, 411 
scabriculus, 470 
semireticulatus, 471 
striatus, 422 
thecarius, 469 
trigonalis, 423 
Anthozoa,1 
ANTIPATHACES, 13 
Apioceras, 321 
(ApLoceras), 312 
ARACHNOPHYLLUM, 37 
Hennahi, 72 
typus, 38 
ARCA, 282 
antiqua, 511 
costata, 497 
Edmondiiformis, 283 
Kingiana, 511 
Loftusiana, 511 
primitiva, 283 
striata, 511 
subzequalis, 283 
subantiqua, 284 
subovata, 284 
tumida, 511 
ARcH&ZOcIDARIS, 125 
vetusta, 125 
ARCID#, 282 
Arges Anglicus, 151 
Arthrorachis, 141 
tarda, 142 
ARTICULATA, 127 
classes of, 127 
ASAPHIN &, 159 
Asapuus, 169 
Buchii, 148 
caudatus, 160 
elevatus, 170 
gemmuliferus, 183 
laticostatus, 170 
longicaudatus, 161 
macrophthalmus, 163 
Powisti, 164, 170 
40 
