HoLoreLLa 
monile, 304 
obsoleta, 304 
tenuicincta, 304 
Honorrycuivs, 593 
Andersoni, 594 
giganteus, 594 
Hibberti, 612 
Hopkinsi, 609 
nobilissimus, 595 
Portlocki, 612 
princeps, 595 
Sedgwickii, 595 
HoMacantuus, 632 
macrodus, 632 
microdus, 633 
Homatonotus, 167 
bisuleatus, 168 
cephalaspis, 175 
Knightii, 168 
Ludensis, 168 
rudis, 168 
Homothorax, 598 
Hortus, 324 
giganteus, 324 
Ibex, 324 
FTuronia, 312 
HYDROIDA, 2 
Hydrozoa, 2 
Hypanthocrinites decorus, 58. 
ITypanthocrinus, 57 
IcHtTHYocrints, 54 
pyriformis, 54 
Tnuents, 171 
Bowmani, 173 
centrotus, 173 
Dayisii, 171 
latus, 172 
Murchisoni, 172 
Rosenbergi, 172 
Inachus sulcatus, 297 
Inoceramus vetustus, 482 
ISEDROLOTILA, 265 
Isocardia oblonga, 510 
unioniformis, 503 
Tsocrinus, 53 
Isorhynchus, 212 
IsoTELvs, 169 
affinis, 169 
gigas, 169 
laticostatus, 170 
planus, 169 
Powisii, 169 
Powisii, 170 
tyrannus, 171 
Jania baccillaria, 84 
crassa, 85 
INDEX. 
Keratophytes retiformis, 114 
LAMELLIBRANCHIATA, 256 
Leda Vinti, 513 
LEPIDOIDEA, 605 
LEPTACANTHUS, 633 
? junceus, 633 
Jenkinsoni, 633 
LEPTENA, 232 
alternata, 233 
analoga, 389, 453 
var. distorta, 453 
var. multirugata, 453 
anomala, 473 
antiquata, 241 
arachnoidea, 385 
cancrini, 457 
caperata, 388 
eaperata, 388 
comata, 455 
compressa, 242 
corrugata, 233 
erassistria, 454 
crenistria, 450 
cylindrica, 450 
deltoidea, 234 
var. undata, 234 
depressa, 248 
depressa, 248 
distorta, 389 
duplicata, 240 
euglypha, 243 
excavata, 457 
? filosa, 243 
Sragaria, 388 
funiculata, 244 
gigas, 386 
Goldfussi, 458 
grandis, 244 
Hardrensis, 454 
Kellyi, 451 
leevigata, 235 
lata, 249 
lata, 249 
lepisma, 235, 240 
membranaced, 388 
? minima, 235 
Morrisiana, 457 
nobilis, 386 
nodulosa, 389 
Ouralensis, 236 
papilionacea, 455 
parva, 458 
pecten, 245 
pelargonata, 452 
polita, 456 
prelonga, 390 
quinquecostata, 236 
rugosa, 248 
LEPTENA 
semiovalis, 234 
senilis, 452 
sericea, 237 
var. rhombica, 239 
var. spinangula, 239 
simulans, 246 
sinuata, 453 
sordida, 386 
spiriferoides, 246 
sub-aculeata, 388 
subminima, 456 
tenuicincta, 239 
tenuissimestriata, 239 
tenuistriata, 248 
transversalis, 240 
umbraculum, 387 
ungula, 249 
Leptcenalosia, 387 
(LEPTAGONIA,) 247 
analoga, 389, 453 
depressa, 248 
sinuata, 453 
ungula, 249 
LEPTODOMUS, 277 
amygdalinus, 278 
constrictus, 396 
costellatus, 508 
globulosus, 278 
impressus, 279 
truncatus, 279 
undatus, 279 
Licnas, 150 
(Bucklandi,) 151 
nodulosus, 151 
beet ? 150 
653 
sub-propinqua, Pl. 1, F. note } 
Lima Valdaica, 473 
Limaria, 21 
clathrata, 22 
LINGULA, 250 
attenuata, 251 
cornea, 251 
Credneri, 474 
‘eurta, 251 
Davisi, 252 
elliptica, 475 
granulata, 252 
lata, 253 
latior, 475 
Lewisii, 253 
longissima, 253 
minima, 251 
obtusa, 251 
ovata, 254 
squamiformis, 475 
tenuigranulata, 254 
LINGULID&, 250 
Lithodendron fasciculatum, 108 
