Изображения страниц
PDF
EPUB

HERTFORD:
PRINTED BY STEPHEN AUSTIN.

210732

.

.

[ocr errors]

.

.

[ocr errors]
[ocr errors]
[ocr errors]
[ocr errors]

.

[ocr errors]

LIST OF WOODCUTS.

43

49, 51

[ocr errors]
[ocr errors]

.

Boulder-clay Cliff south of Workington, Cumberland

Boulder-clay overlying Shell-beds, Rampside, Peel Harbour, Cumberland 72

Stratified Beds in the Lower Boulder-clay, from which were obtained

the remains of Bos primigenius

74

Section from Portingscale, along the west side of Derwentwater, to

Castle Crag, in Borrowdale .

107

Natural Section of Beds seen in the Escarpment at the “Serra Partida,”

River Candiota .

149

Belemnites præmaturus, Tate.

166

Diagram of the Glacial Terraces at the Fork of the Yangma Valley 191

Sections of Drift at Hawker's Hill.

. 207

Lower jaw and teeth of Cestracion Philippi.

236

Foliage and Fruits of Calamites.

294

Fruits of Equisetum and Calamites

295

Fruits of Selaginella and Triplospirites

297

Section of Gault and Lower Greensand at Lower Fettleworth

. 335

Figures to illustrate enlargement on Crinoidal Columns

352

Sketch showing Maum, with an accompanying bank of recent Drift, a

ravine being seen in the latter

407

Section of recent Drift-bank .

407

Recent Drift hanked on a hill-slope below an escarpment

408

Plan of streams flowing to a shore where there is a current chiefly in

one direction

437

Lepracanthus Colei, Owen, Coal-measures, Ruabon, N. Wales

481

Section of supposed burrow of Helix in Carboniferous Limestone . 486

Sketches of a piece of Cornish hornstone.

529, 530

A portion of felspathic rock, in which two crystals of labradorite are

separated by a crystalline mass of mixed labradorite and hyper-

stein.

530

Banded and brecciated agates

533, 534

Profile of Terraces on the side of a Chalk Hill near Twyford .

537

Terraces near Stockbridge

538

Terrace and Bank caused by descent of Silt

Terraces near Llangollen

541

Thecidium subserratum, Tate, sp. nov.

. 552

Peculiar form of variegation in Cambrian Slate

. 576

[ocr errors]

.

[ocr errors]

.

538

« ПредыдущаяПродолжить »