CONTENTS.

ᏢᎪᎡᎢ 1.

General Report for 1923. By E. H. Pascoe, M.A., Sc.D. (Cantab.),

D.Sc. (Lond.), F.G.S., F.A.S.B., Director, Geological Survey of

India

A Geographical Classification of the Mineral Deposits of Burma. By

J. Coggin Brown, O.B.E., D.Sc., M.I.M.M., M.I.M.E., F.G.S., Super-

intendent, Geological Survey of India. (With Plate 1)

PAGES.

1-64

65-108

PART 2.

The Mineral Production of India during 1923. By E. H. Pascoe, M.A.,

Sc.D. (Cantab.), D.Sc. (Lond.), F.G.S., F.A.S.B., Director, Geolo-

gical Survey of India

The Soda-Bearing Rocks of Kishengarh, Rajputana. By. A. M. Heron,

D.Sc., F.G.S., Officiating Superintendent, Geological Survey of

India. (With Plates 2 to 12)

1

PART 3.

109-178

179-197

199-203

Gyrolite and Okenite from Bombay. By. W. A. K. Christie, B.Sc.

Ph.D., M. Inst. M.M., Chemist, Geological Survey of India. (With

Plate 13).

A Freshwater Fish from the Oil-measures of the Dawna Hills. By the

late N. Annandale, C.I.E., D.Sc., F.R.S., F.A.S.B., Director, and

Sundar Lal Hora, D.Sc., Assistant Superintendent, Zoological

Survey of India. (With Plate 14)

On a Fossil Ampullariid from Poonch, Kashmir. By B. Prashad, D.Sc.,

Officiating Superintendent, Zoological Survey of India. (With

Plate 15).

On a Calcareous Alga belonging to the Triploporelleæ (Dasycladaceœ)

from the Tertiary of India. By John Walton, M.A., Lecturer in

Botany, Manchester University. (With Plate 16)

Froth Flotation of Indian Coals. By W. Randall, M.Sc.

Submarine Mud Eruptions off the Arakan Coast, Burma. By. J. Coggin

Brown, O.B.E., D.Sc., Superintendent, Geological Survey of India.

(With Plate 17)

608609

204-209

210-212

213-219

PART 3-continued.

PAGES.

Notes on Cretaceous Fossils from Afghanistan and Khorasan. By

the late H. S. Bion, B.Sc., F.G.S., Assistant Superintendent,

Geological Survey of India. With an Introduction by J. Coggin

Brown, O.B.E., D.Sc., Superintendent, Geological Survey of India 257-269

PART 4.

The Merua Meteorite. By G. H. Tipper, M.A., F.G.S., F.A.S.B., M.

Inst. M.M., Superintendent, Geological Survey of India. (With

Plates 18-27) .

Stegodon Ganesa (Falc. and Cant.) in the Outer Siwaliks of Jammu.

By D. N. Wadia, M.A., B.Sc., Geological Survey of India. (With

Plate 28)

345-351

352-355

356-361

On a Collection of Land and Freshwater Fossil Molluscs from the

Karewas of Kashmir. By. B. Prashad, D.Sc., Officiating Director,

Zoological Survey of India. (With Plate 29)

Report on the examination of Burmese Lignites from Namma, Lashio

and Pauk. By. C. H. Lander, D.Sc., Director of Fuel Research,

London, with an Introduction. By. F. W. Walker, M.C., B.A.,

B.A.I. (Dub.), Assistant Superintendent, Geological Survey of

India

The Maurypur Salt Works. By J. A. Dunn, B.Sc., D.I.C., F.G.S.

Assistant Superintendent, Geological Survey of India

362-383

384-386

1

LIST OF PLATES, VOLUME LVI.

PLATE 1.-Sketch map of the Ore Provinces of Burma. Scale 1′′-64 miles.
PLATE 2.-Fig. 1.—Granitoid syenite, main intrusion.

Fig. 2.-Foliated syenite, near Mandaoria.

PLATE 3.-Fig. 1.-Banded Syenite.

PLATE 4. Fig. 1.-Photomicrograph of granitoid syenite; x 18.

Fig. 2.-Photomicrograph of granitoid syenite; polarized light; × 18. PLATE 5.—Fig. 1.-Photomicrograph of granitoid syenite; × 18.

Fig. 2.-Photomicrograph of banded syenite; × 18.

PLATE 6.-Fig. 1.-Photomicrograph of banded, biotitic syenite; × 18.

Fig. 2.-Photomicrograph of fine-grained, foliated syenite; x 18.

PLATE %.—Fig. 1.—Photomicrograph of ægirine-pegmatite: × 18.

Fig. 2. Photomicrograph of amphibole-garnet-pegmatite; x 18. PLATE 8.-Fig. 1.-Photomicrograph of sodalite in elæolite-sodalite rock; × 18. Fig. 2.-Photomicrograph of xenolith with biotite, pyroxene and sphene ; X 18.

PLATE 9.-Fig. 1.-Photomicrograph of thulite-cancrinite-calcite rock; x 18.
Fig. 2.-Photomicrograph of thulite-tromolite-felspar rock; × 18.

PLATE 10.—Fig. 1.-Photomicrograph of thulite-tremolite rock; × 18.
Fig. 2.-Photomicrograph of thulite-calcite rock; x 18.

PLATE 11.-Fig. 1.-Photomicrograph of impure crystalline limestone; x 18.
PLATE 12.-Geological map of part of Kishengarh; scale 1′′=1 mile.

PLATE 13.—Fig. 1.—Gryolite on calcite. x 3.

Fig. 2.-Okenite (Natural size.)

Fig. 3.—Okenite on apophyllite. × 15.

PLATE 14.—Daunichthys gregorianus, sp. nov. x 3.

PLATE 15.-Figs. 1, la, 2, 2a, 2b.-Pachylabra prisca (sp. nov.).

Figs. 3, 3a, 3b.-Pachylabra globosa.

PLATE 16.-Triploporella ranikotensis, sp. nov.

PLATE 17.-Map showing position of mud volcano which erupted in May 1914 and
November 1923. Scale 1 inch=2 miles.

PLATE 18.—The Merua meteorite portion A.
PLATE 19. The Merua meteorite-portion A.
PLATE 20.-The Merua meteorite-portion A.
PLATE 21.-The Merua meteorite-portion A.
PLATE 22.-The Merua meteorite-portion A.
PLATE 23.-The Merua meteorite-portion B.
PLATE 24.-The Merua meteorite-portion B.

PLATE 25.-The Merua meteorite-Figs. 1 & 2-portion C. Fig. 3-portion D.

PLATE 26.-The Merua meteorite-portion E.

PLATE 27. The Merua meteorite-portion E.

PLATE 28.-Fig. 1.-The two upper molars m. 3 implanted in the palatine (Natural

size).

Fig. 2. The tusk as viewed obliquely (Natural size).

PLATE 29.-Freshwater Fossil Molluscs from Karewas of Kashmir.