MR. MURRAY'S FORTHCOMING WORKS. 



THE GNOSTIC HERESIES OE THE FIRST AND 

 SECOND CENTURIES. 



A Series of Lectures delivered before the University of Oxford. 



BY THE LATE H. L. MANSEL, D.D., 



Sometime Professor of Ecclesiastical History at Oxford, and Dean of St. Paul's. 



PRECEDED BY A BRIEF SKETCH OF HIS LIFE, "WORK, AND CHARACTER. 



8vo. 10s. 6d. 



SIX MONTHS AMONG THE PALM GROVES, 



CORAL REEFS, AND VOLCANOES OF THE SANDWICH ISLANDS. 



BY ISABELLA BIRD, 



Author of the " Englishwoman in America." 



"With Illustrations. Crown 8vo. 



PRACTICAL METALLURGY; 



BY JOHN PERCY, M.D., F.R.S., 



Lecturer on Metallurgy at the Government School of Mines. 



New, Revised, and enlarged Edition. 



VOL. I., Part 1.— INTRODUCTION— FUEL, WOOD, PEAT, COAL, CHARCOAL, 

 COKE, REFRACTORY MATERIALS, FIRECLAYS, &c. 



With Illustrations. 8vo. 24s. 



THE BOOK OF MARCO POLO, THE VENETIAN. 



CONCERNING THE KINGDOMS AND MARVELS OF THE EAST. 

 A new English Version. Illustrated by the Light of Oriental Writers and Modern Travels. 



BY COLONEL HENRY YULE, C.B., 



Late Royal Engineers (Bengal). 



Second Edition, revised. With Maps and Illustrations. 2 vols. Medium 8vo. 42s. 



POPULAR DICTIONARY OF INVENTIONS, 

 ORIGINS, AND DISCOVERIES. 



8vo. 



