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 TH ACKER, SPINK & CO., CALCUTTA. 41

Demy 8vo., sewed, 2J. 6d. net. Re. 1.8.

A SUMMARY OF THE GEOLOGY

OF INDIA.

By ERNEST W. VREDENBURG, AJR^JSL, A.R/1&,

Of the Geological Survey of India.

CONTENTS. — Introduction — The Archaean — Oldest Sedimentary Systems — The Kadapah System — The Vindhyan System — Fossiliferous Representatives of the Cambrian and Silurian Systems — Devonian and Lower Carboniferous Systems — Geological History of India during the Upper Carboniferous, Permian and Mesozoic Periods — Triassic, Jurassic, and I^ower Cretaceous Systems — The Upper Creta- ceous Systems — The Eocene System — The Pegu or Mekran (Flysch) System — The Siwalik System — The Quarternary Era.

Fourth Edition. Demy 8vo., cloth, iar. net. Rs. 8.

A HANDBOOK OF

PRACTICAL SURVEYING FOR

INDIA.

Illustrated icith Plans, Diagrams, and 24 Plates. By F. W. KELLY, late Indian Survey*

Quarto, paper. 6s. net. Rs. 4.

NOTES AND REPORT ON THE KAZUSA SYSTEM OF DEEP BORING FOR WATER

AS PRACTISED IN JAPAN. By F. S. NORMAN.

Second Edition. 6s. net. Rs. 4.

PERMANENT-WAY POCKET BOOK

AND RAILWAYMAN'S COMPANION.

Containing Complete Formulae for Laying Points, Crossings, Crossover Roads, Through Roads, Diversion Curves, etc., suitable for any Gauge.

With Illustrations.

By the late T. V, JONES. Revised and Enlarged by R. YOUNG.