reptiles in, 260, 435,
448, 451, 532, 553,
566.

Ctenoid fishes, 352.
Cuckfield Quarries,
381, 382.
Culm-rocks, 784.
Culver Cliff (Isle of
Wight), Chalk strata
nearly vertical at,
303.
Cumberland, palæozoic
rocks of, 805.
Cumbrian rocks, 805.
Cup-like encrinite,666.
Cupreous deposits, 912.
Cupriferous grits, 912.
Currents, effects of,
70.

Curvatures in quartz-
rock, 886.
Cuvier, Baron, on fos-
sils, 135; principles
of Paleontology,
138; discovery of
fossil birds, 257; on
a Wealden turtle,
426.
Cuvierian pachyderms,
fossil, 258.
Cyathocrinus, 824.
Cyathophyllum, 824.
Cycadeæ, 400,547, 735.
Cycadeoidea megalo-
phylla (Dr. Buck-
land), 401.
Cycadeous plants, 407.
Cyclas of the Wealden,
417.

Cycloid fishes, 352.
Cyclostoma mumia,
248.

Cyclura carinata, 450.
Cypræa inflata, 247.
Cyprides, 419; fossil,
from Aix, 267.
Cypridinen-Schiefer,
785, 794.
Cypris, 418; granulosa,
419; spinigera, 419;
Valdensis, 419.

Cyrena media, 417;
membranacea, 417.
Cystidea, 666, 820.

D.

Dallaway's and Hors-
field's History of
Sussex, referred to,
386.

Dalmatia, osseous brec-
cia in, 188.
Damarites Fittoni,
Unger., 412.
Dana, Mr. J. D., re-
ferred to, 29; on
Zoophytes, 602; on
the limits of coral-
growth, 633; on si-
licification, 731.
D'Archiac, M., refer-
red to, 301, 306, 376,
788.
Darmstadt,

miocene

strata of, 262.
Darwin, Mr. C., on
glaciers, 71; on the
alluvial deposits in
the Pampas, 165;
on the Andes, 287;
referred to, 708; on
the Falkland Islands,
887; on the Galapa-
gos Islands, 939.
Daubeny, Dr. C., on
the Cheltenham wa-
ters, 545; on vol-
canos, 81, 862.
Davidson, Mr. T., on
recent and fossil Bra-
chiopoda, 825.
Davy, Sir H., on the

Solfatara, 76, 463.
Dawson, Prof., on the
Carboniferous rocks
of Nova Scotia, 708.
Dawson's patent fuel,
102.

Deane, Dr., on the
Connecticut foot-
prints, 559.

Detritus,

chalk, at

Charing, 335.
Deva-dhunga, Hima-
layas, height of, 35.
Devonian formation,
204; period, 926;
rocks of the Conti-
nent and America,
788;
series, 781,
926; of Scotland,
786; of Devonshire
and Cornwall, 784.
Dew, Mr., 554.
Diamond, 724.
Diatomaceæ in meta-
morphic rocks, 918.
Dichobune, 262.
Dickinson, Capt. T., on
the Wreck of the
Thetis, 70.
Dictyophyllum crassi-
nervum, 549.
Dicynodon of South
Africa, 554.
Didus ineptus, 129.
Dieffenbach, Dr.,on the
thermal springs of
New Zealand, 98;
lignites of New Zea-
land, 708.

Diluvial, 39.

discovered near, 419.
Diplopterus of the Old
Red, 797.
Dipteronotus cyphus
of the Bunter, 551.
Dipterus of the Old
Red, 797.
Dirt-bed at Portland,
402; in Isle of Pur-
beck, 404; at Swin-
don, 403.

Discina, Silurian, 825.
Discours sur les Révo-

lutions, 263.
Diseased bones of car-

nivora found in ca-
verns, 184.
Displaced strata, 197.
Distinction between
animals and veget-
ables, 596.
Diversity of animal
forms, 599.
Dixon, Mr. F., fossils

longi-

of Sussex, 241, 256.
Dodo of Mauritius,129.
Dolerite, 849.
Dolomieu, M., on pu-
mice, 850.
Dolomite, 562, 565.
Dolichosaurus
collis, 367.
D'Orbigny, M. Alcide,
Jurassic fossils de-
scribed by, 526; re-
ferred to, 708.
Dore, Mont, extinct
volcanos at, 275.
Downshire, Marquis of,
salt-works at Car-
rickfergus, 540.
Drachenfels, extinct
volcanos at, 281.
Draco volans, 583.

land, 128.

Dinosaurians, 433.
Dinotherium,175,262;
proboscidean cha
racter of the, 963.
Dinton, entomostraca

at Muswell Hill,221;
and alluvial debris,
208.

Drifted sand, 90.
Driopithecus Fontani,
263.

springs of, 540.
Druid-sandstone, 231.
Dudley, Silurian strata
of, 810.
Dufrénoy, M., on gra-
nite-veins, 900.
Duncan, Rev. H., on
fossil foot-tracks,
555.
Dunker, Dr. W., on
the Wealden of Ger-
many, 377, 389, 442.
Duration of geological
epochs, 30.
Durlstone Head, sec-
tion of, in Swanage
Bay, 393.
Dykes, 850, 851, 898.
Dynamical agencies,
effects of, 931.

E.

Earth, crust of, 31, 34;
structure of, 31;
temperature of, 34;
gaseous state of, 48;
internal heat of, 34.
Earthquake of Lisbon,
842.
Earthquakes, 841; ef-
fects of, 842.
Eastware Bay, near
Folkstone, 317.
Ebelmen, M., on arti-

ficial crystals, 906.
Echinites and spines
from the Chalk, 338.
Echinoidea of the Oo-
lite, 528.
Echinoderms, Silurian,
822.
Echinosphærites, 825.
Edaphodon leptogna
thus, 255; Mantelli,
356.
Edwards, Mr. F., his
collection of High-
gate fossils,232; mo-

of

Emergence of sub-
marine volcanos,

nograph of the Eo-
cene mollusca
England referred to,
242, 249, 250.
Edwards, M. Milne,
and M. J. Haime,
on British fossil co-
rals, 246, 621.
Effects of currents, 70;
of dynamical and
chemical action,931;
of high temperature,
102.
Egerton, Sir P., classi-
fication of fishes by,
referred to, 352; on
chimeroid fishes,
355; referred to,519.
Ehrenberg, Prof., on
the origin of flints,
307; on corals and
bryozoa, 600; on
greensand, 823; on
infusoria, in volca-
nic ashes, 860; on
infusoria in volcanic
tuffs, &c., 918; re-
ferred to, 953.
Eifel-rocks, Devonian,
786.

Elementary organic

structure, 608.
Elephants, fossil, 147;
grinding surface of
teeth of, 143; teeth,
142.
Elephas primigenius,

967; tooth of, 161.
Elevation, of Italy,
959; of mountains,
919; of Newfound-
land, 958; of New
Zealand, 961;
Scandinavia, 115;
of the coast of Chili,
111.

of

Ellis, Mr. on corals,
603.

Elvans of Cornwall,
786, 899.
Emerald, 905.

874.

Emmons, Dr., on fossil
mammals in Caro-
lina, 520.
Emydes, 574.
Enaliosaurians, 576.
Encke's Comet, 44, 45.
Encrinital marble, 660.
Encrinites, 550, 658.
Endogenites erosa, 407.
Entomostraca of the
Chalk, 254, 350; of
the Wealden, 418;
Tertiary, 254.
Entrochites, 658.
Eocene, or Lower Ter-
tiary, 211, 216, 226;
shells of the Paris
Tertiaries, 247
strata, organic re-
mains of the, 243.
Epoch of terrestrial
mammalia, 135.
Equisetaceæ, 735.
Equisetites, 549.
Equisetum, 407.
Eremacausis, 721.
Erith, thickness of an
ancient alluvial silt
at, 149.
Ernouf, Gen., on the
Guadaloupe sand-
stone, 87.
Erratic boulders, 217.
Eruptions of Vesuvius,
848, 852.

Essex, teeth of Mosa-
saurus in Chalk of,
321.
Estheria, 418, 420.
Europe, Tertiary strata
of, 283.
Evaporation, amount
of, 56.

Evidence, historical,
108.

Existing geological
agents, 53; vegeta-
bles classified, 731.
Extinct elephant, or
Mammoth, in ice,
151.

Extinct volcanos of
Auvergne, 272; of
the Rhine, 281, 293.
Extinction of animals,
123; the law of, 124.

F.

Fairholme, Mr., on the
earth's surface, 36.
Falconer, Dr. Hugh,
and Sir P. Cautley
on the fossil zoology
of the Sewalik Hills,
163, 257, 575; fossils
collected by, 242.
Falconer, Dr., on Ele-
phant, 963, 967; on
Mastodon and Ele-
phant, 963.

allow-deer from Sca-
nia, 173.

Farre, Dr. A., on bry-

ozoa, 600.
Farringdon, zoophytes
from, 644.
Faults in the coal-mea-

sures, 700.
Fauna of New Zea-
land, 938.
Faunæ, successive fos-
sil, 928.
Favosites, 824; Upper
Silurian, 820.
Faxoe-chalk, 645.
Feather-stars, 655.
Fellows, Sir C., referred
to, 961.
Felspar, 849, 883.
Femur of Iguanodon,

447.

Ferns, 547; of the

Wealden, 405.

Ferrante imperato,603

Ferruginous conglo-
merate, composed of
beads and knife-
blades, 82.
Ferrybridge,
wood at, 728.

fossil

Fibrous gypsum, 543.
Fibres, 735.
Fingal's Cave, 891.
Fire-damp, 721.
Fischer de Waldheim,
M., on the Rhopha-
lodon, 571.
Fisher, Rev. O., on the
Wealden beds, 486;
on the Purbeck stra-
ta, 381, 382, 394,
396.
Fishes, classified, 351,
352; fossil, from
Aix, 265; Prof.
Silliman on fossil,
18; of Monte Bol-
ca, 269; of the Car-
boniferous system,
769; of the Chalk,
351; of the Devonian,
820; of the London
Clay, 253; of the
Oolite, 530; of the
Permian series, 568;
of the Silurian beds,
832; of the Tertiary
deposits, 254; of the
Trias, 551; of the
Wealden, 422,
Fish-teeth, 551.
Fissures, 898.
Fitton, Dr. W. H., on
the beds below the
Chalk, 387, 399;
Guide to the Ge-
ology of Hastings
by, referred to, 375,
378; on extraneous
fossils in the Weald-
en, 487; on the
strata below the
Chalk, quoted, 388.
Flag-stones of Mag-
desprung, 822.

Bryozoa,

754; of the Wealden,
483; of New Zea-
land, 938.
Floræ, successive fos-
sil, 928.
Fluid-cavities in crys-
tals, 883.
Fluor-spar, 696, 908.
Flustra, 611, 612;
avicularis, 618; fo-
liacea, 616.
Flustroid
612.
Fluviatile strata, form-
ation of, 59.
Fluvio-marine deposits
in the Valley of the
Ouse, 61; Upper
Eocene deposits of
the Isle of Wight,
243.
Flying reptiles, 581.
Focus of volcanic ac-
tion, 842.
Foliation of the Gneis-
sic rocks, 836.
Folkstone Cliffs, 316.
Food of zoophytes,
614.

Foot-tracks, fossil, 555.

from

Foraminifera, critical
examination of, by
Messrs. Parker and
Jones, 334;
Bolton, 334; from
Charing, 334; from
the Levant, 334; in
flint (sections of),
335; of the Chalk,
305, 331; of the
Tertiaries, 250; re-
cent, 333; soft parts
of, 310.
Forbes, Dr. C., on lig-
nites of New Zea-
land, 708.
Forbes, Dr. J., on
glaciers, 72; on the
Temple of Serapis,
109, 959.
Forbes, Prof. E., on
Alum Bay, 239; on
the fluvio marine
Upper Eocene de-
posits of the Isle of
Wight, 243; on the
Glacial epoch, 221;
on the Purbeck
beds, 394; on Ter-
tiary echinoderms,

225.

Forest, fossil, in coal-
measures, 688;
marble,503; modern,
submerged,
403;
ridge of the Weal-
den, 372.
Forests, subterranean,
67.
Forfarshire, lacustrine
deposits of, 85; sec-
tion in, 787; shales,
833.
Formation of agates,
of coral-is-

886;
lands, 639; of new
rocks, 877; of re-
cent sandstone in
Cornwall, 91.
Formations, classifica-
tion of, 200; Lower

Secondary, 488; of
the Secondary epoch,
299.
Försterhöle in Ger-

many, osseous con-
tents of, 178.
Fossil aerolites, 52;
birds, 257, 452,
520, 534; bones and
teeth of elephants
of various parts of
England, 150; co-
rals, 650; carnivora
in caverns, 175;
fauna, 928; ferns,
738; fishes, 832;
from Aix, 265; of
Monte Bolca, 269;
of the Chalk, 365;
flora, 928; foot-
steps, 555; fox of
Eningen, 268; fruits
from the Wealden,
412; human skele-
tons,85; insects from
Aix,265; ivory, 138;
mammalia of Au-
vergne,278; of Paris,
258; of Stonesfield,
508; of the Sub-Hi-
malayas, 162; of the
valley of the Thames,
149; mammalian re-
mains, 136, 258, 261,
268, 278, 304, 508,
562, 963; in Kent,
at Herne Bay, at
Harwich, in Nor-
folk, in Suffolk, and
in Sussex, 136; in
the Sub-Appennine
formations, 135;
monkeys, 262; nau-
tilus, 249; plants in
Eocene strata, 243;
of the Coal, 732; of
the Wealden, 405;
scorpion,768; shells,
211; from London
Clay at Primrose
Hill, 253; teeth of

Crocodilian reptiles,
429; tortoises and
turtles, 574; trees
of the Wealden at
Brook Point, 390;
turtles in chalk, 367;
vegetables, 404,912;
wood of Egypt, 886;
zoophytes, 642.
Fossiliferous rocks,

897; strata, 200.
Fossils, Cambro-Silu-
rian, 821; creta-
ceous, 323; De-
vonian, 790; in
metamorphic rocks,
916; of the coal-
series, 732; of the
Isle of Sheppey,
233; of the Lower
Tertiary strata of
the Hampshire ba-
sin, 240; of the
Oolite and Lias, 507,
526; of the Permian
system, 567; of the
Trias, 547; of the
Wealden, 400; up-
per Tertiary, 131.
Fournet, M., on mi-
neral-veins, 908; on
hypogene rocks, 915.
Fox, Mr. R. W., on
mineral veins, 909.
Fox of Eningen, fos-
sil, 268.
Fraas, M., on Jurassic
rocks, 512.
France, Cretaceous

strata in, 322; Si-
lurian rocks of, 819;
Tertiary volcanos of,
270.
Fresh-water strata of

Auvergne, 277; po-
lype, 606; shells of
the Paris Tertiaries,
248; Wealden-shells,
413, 417.
Fringing-reefs, 640.
Frog-tribe, 584.