648 
ASAPHUS 
seminiferus, 183 
seticornis, 147 
Stokesii, 174 
tyrannus, 171 
Aspidostraca, 134 
ASTERLA, 58 
Asterias primceva, 60 
Asterolepis, 597 
AsTEROPTYCHIUS, 615 
ornatus, 615 
semiornatus, 616 
Astrea ananas, 35 
carbonaria, 111 
Hennahi, 72 
intercellulosa, 72 
pentagona, 71 
porosa, 67 
ASTRAID&, 36 
Astreeopora grandis, 18 
Lonsdalei, 18 
Atuyris, 196 
ambigua, 432 
concentrica, 378 
depressa, 433 
de Roissyi, 433 
expansa, 433 
glabristria, 434 
globularis, 434 
gregaria, 435 
var, trapezoidalis, 435 
paradoxa, 436 
pectinifera, 436 
squamigera, 437 
tumida, 196 
Atractopyge, 156 
verrucosa, 156 
Atrypa aspera, 198 
crassa, 194 
cuboides, 381 
decussata, 378 
depressa, 201 
desquamata, 378 
expansd, 433, 436 
fallax, 382 
jfimbriata, 433 
galeata, 208 
gibbera, 447 
globosus, 208 
gregaria, 435 
hemisphcerica, 201 
hispida, 378 
isorhyncha, 444 
juvenis, 410 
laticliva, 444 
lens, 209 
oblonga, 378 
orbicularis, 198 
pectinifera, 436 
INDEX. 
Atrypa protracta, 382 
rotunda, 205 
semisulcata, 204 
squamosa, 379 
striatula, 384 
subdentata, 382 
sublobata, 432 
tenuistriata, 196 
triangularis, 380 
tumida, 196 
undatus, 211 
unguiculus, 377 
virgoides, 413 
(AturtA), 556 
AUCELLA, 481 
speluncaria, 481 
Aulosteges, 387 
AYVICULA, 257 
ampliata, 260, 262 
antiqua, 490 
Binneyi, 491 
Boydi, 259 
ceratophaga, 490 
Damnoniensis, 394 
Danbyi, 258 
demissa, 260, 262 
discors, 491 
erecta, 262 
granulosa, 486 
gryphceoides, 481 
inflata, 491 
informis, 479 
levigata, 479 
naviformis, 262 
? orbicularis, var, 258 
pectinoides, 393 
pleuroptera, 261 
reticulata, 263 
retroflexa, 262 
subfaleata, 263 
subretroflexa, 262 
sub-radiata, 392 
texturata, 391 
AVICULID A, 257 
AVICULOPECTEN, 392 
celatus, 483 
cancellatulus, 483 
concayus, 484 
concentrico-striatus, 484 
conoideus, 485 
docens, 485 
granosus, 392, 486 
illegalis, 486 
incrassatus, 487 
interstitialis, 487 
mactatus, 487 
papyraceus, 488 
pectinoides, 393 
pera, 488 
AVICULOPECTEN 
plano-radiatus, 489 
Ruthyeni, 489 
segregatus, 489 
transyersus, 393 
Aginus, 494 
lunulata, 505 
obliquus, 496 
obscurus, 496 
parvus, 496 
pusillus, 497 
rotundatus, 497 
undatus, 496 
BAKEWELLIA, 490 
antiqua, 491 
bicarinata, 490 
ceratophaga, 490 
var, antiqua, 490 
var, bicarinata, 490 
inflata, 491 
twmida, 491 
BaRRANDIA, 149 
Cordai, 149 
(Bastuicvs), 169 
? laticostatus, 170 
Powisti, 170 
tyrannus, 171 
Battus tardus, 142 
BELLEROPHON, 308 
acutus, 309 
atlantoides, 555 
bicarenus, 553 
bilobatus, 308 
bisulcatus, 400 
Blainvillei, 551 
carinatus, 309 
clathratus, 552 
cornu-arietis, 551 
costatus, 551 
decussatus, 552 
dilatatus, 309 
Duchastelli, 553 
Dumonti, 553 
elegans, 552 
elongatus, 308 
expansus, 309 
gibbus, 308 
globatus, 309, 400 
hiulcus, 553 
Larcomi, 554 
leevigatus, 542 
Murchisoni, 310 
ornatus, 310 
Phillipsii, 554 
recticostatus, 554 
reticulatus, 552 
striatus, 400 
striatus, 310 
