INDEX. 
483 
1>AGE. 
PAGE. 
Cvi’toceras? abruptum, H., . 
. 220 
Cyrtoceras marginnle, Conr., 
. 355 
C. 
absens, H., . 
324, 357 
C. 
marginale, Phill., 
. 355 
C. 
asmulum, H., 
. 368, 370, 371, 373, 389 
C. 
Massieuse, Saff., 
. 
. 357 
c. 
Alethes, BUI., 
356 
C. 
Matheri, Conr., 
355, 358, 377 
c. 
alternatum, H., 
357, 360, 365 
C. 
maximum, Conr., 
355, 404, 418 
c. 
amplicorno, H., 
357 
0. 
Metellus, Bill., 
356 
c. 
anuulatum, Gold/., 
. 355 
c.* 
metula, H., 
354, 356, 360 
c. 
annulatum, H , 
355 
c. 
Missisquoi, Bill., . 
356 
c. 
arcticameratum, H., . 
. 355 
c. 
ltiorsum, II., 
354, 356, 367 
c7 
arcuatum, H., 
. . . 355 
c. 
multicameratum, H., 
355 
c. 
arcuatum, Stein., 
. 355 
c. 
Myrice, H.-W., 
. 357 
c. 
Aristides, Bill., 
356 
c. 
Neleus, H ., 
356 
c. 
Billingai, Salt ., 
. 356 
c. 
Ohiense, Meek, 
. 357 
c. 
Bondi, Saff., 
. . . 357 
c. 
Oroas, H., . 
356 
c. 
brevicorne, H., 
. 357 
0. 
Orestes, Bill., . 
. 356 
c. 
camurum, H., 
355 
c. 
Orion, H., . 
357, 390, 397 
c. 
cancellatum, H., 
. . . . 355 
c. 
Oredes, Bill., . 
. 356 
c. 
cancellatum, Bonn., 
355 
c. 
Postumius, Bill., . 
. 356 
c. 
" CniTollense, Worth., . 
. 357 
c. 
pusillum, II., . 
. 357 
c. 
citum, II., . 
360, 368, 373, 374, 375 
c. 
regulare, Bill., 
355 
c. 
clavatum, H., . 
818, 323, 357 
c. 
l'igidum, H., 
. 357 
c. 
Clitus, BUI , 
357 
c. 
Rockfordonse, Winch., . 
357 
c. 
conicum, Owen, 
. 355 
c. 
sacculus, M.-W., 
. . 357 
c. 
Conradi, H., 
348 
c. 
simplex, Bill., 
. 355 
c. 
constrictostriatum, H., 
. 355 
c. 
siuuatum. Bill , 
. . 355 
C. 
corniculum, Barr., 
356 
c. 
Stonense, Saff, 
357 
c. 
corniculum, H., 
. 356 
c. 
subanmilatum, d’Orb., 
. . 355 
c. 
Gory don, Bill., 
357 
c. 
subarouatum, d Orb., 
. 355 
c. 
curium, M-W., 
. 356 
c. 
subeanoellatum, H., . 
. 355 
c. 
Dardanus, H., 
356 
0. 
subrcctum, II., 
356 
c. 
densum.Jf, 
354, 363, 361 
c. 
6ubturbinatum, Bill., . 
. 355 
c. 
Bictys, Bill., 
356 
c. 
surgens, Barr., 
357 
0. 
dictyum, White, 
. 357 
c. 
Syphax, Bill., . 
. 356 
c. 
dilitatum, M.-W., . 
356 
c. 
tenuistriatum, II., 
356 
c. 
dorsatum, Swall., 
. 355 
G. 
transversum, H., 
. 359, 384 
c. 
cugenium, II ., 354, 356, 35 
360, 367, 368, 369, 372, 373 
c. 
Trentononse (Emm.), 
. 355 
c. 
eugium,#, 
. 356 
c. 
trivolvis, Conr., 
355, 358, 374 
c. 
exiguum, Bill., 
356 
c. 
undulatum, H., 
357, 365 
c. 
falx, Bill , 
. 355 
c. 
undulatum, Vannx., . 
365, 358, 378 
c. 
illosum, Emm., 
355 
c. 
unicorne, Winch., 
356 
c. 
formosuin, II., . 
. 354 
c. 
Vullandighami, Mill., 
. 357 
c. 
Fosteri, H., 
356 
c. 
Ten tricosum, Mill., 
. 357 
c. 
fragile, Bill., 
. 357 
c. 
Whitneyi, H., . 
. 356 
c. 
gibbosum , H , 
318, 344, 346, 357 
c. 
(Gomphoceras?) formosum 
H., 
368 
c. 
giganteum, McChesn ., 
. . . 356, 405 
c. 
" (Gomphoceras) metula, H., 
. 360 
c. 
Millanum, d'Orb., 
. . . 355 
G. 
(Gyroceras) eugenium, H., 
222, 360 
c. 
Hector, H ., . . 
. 363, 364 
Cyrtolites, Conrad, . 
. 123 
c. 
Hercules (W.-M.), 
356 
C. ? 
mitella, H., 
106, 123, 125 
c. 
Hortzeri, M.-W., 
. 357 
C. 
pilcolus, H., 
123, 124, 125 
c. 
Huronense, Bill., . 
356 
C. 
(Cyrtonella) mitella, H., 
133 
c. 
Isodorus, Bill , 
. 356 
C. 
(Cyrtonella) pileolus, H., 
. 135 
c. 
Jason, H, . . 356 
359, 360, 36S, 380, 381, 383 
Cyrtonella, Hall, 
133 
c. 
Juvenalis, Bill., 
. 356 
Cystifhyllum, Lonsdale, 
. . 139 
c. 
lamellosum, d'A.-de V., 
355 
Dalmaniten Algeria, H., . 
. 146 
c. 
lamellosum, H., 
. 355 
D. 
anchiops, H., . 
. 140 
c. 
laterale, H, 
... 357 
D. 
Boothi \ Green), 
. 146 
c. 
Ligarius, Bill., 
. 357 
D. 
Calypso, H., . 
. 143, 146 
c. 
liratum, H., 
. 354, 356, 364 
D. 
Helena, H., 
146 
c. 
loculosum, H., . 
. 356 
D. 
myrmecophorus (Green), 
. . 146 
c. 
Lucillus, H., 
357 
D. 
Pleione, H., 
146 
c. 
Lvsander, Bill., 
. 356 
D. 
selenurus (Eaton), 
. 146 
c. 
Maccoyi, Bill., 
356 
DENTALIUM, Linnams, 
155 
c. 
mnerostomum, S., 
. 356 
D. 
aciculatuni, H., 
. . 190 
c. 
magister, Mill., 
357 
D. 
annulatum, Sandb., 
- 
. 185 
