Just Published, 
THE BRAIN AS AN ORGAN OF MIND. 
By H. CHARLTON BASTIAN, M.D. 
With numerous Illustrations, Crown 8vo., cloth, Price Five Shillings. 
V Volume XXIX. of the INTERNATIONAL SCIENTIFIC SERIES. 
London: C. KEGAN PAUL & CO., i, Paternoster Square. 
Now Ready, Price 6 d. y post free 7 d., the JUNE number of the 
PHRENOLOGICAL MAGAZINE. 
CONTENTS:— Phrenological Chara&er of John Ruskin (with Portrait- 
Phrenology as a Guide to a Trade or Profession — Physiognomy (Illustrated) • 
The Soul, What is it ?— Only Half a Hero : a Tale of the Franco-German War, 
&c. 
London: L. N. FOWLER, Imperial Buildings, Ludgate Circus. 
EDWARD PATERSON, 
PHILOSOPHICAL INSTRUMENT MAKER, AND 
ELECTRICAL ENGINEER, 
3, BEDFORD COURT, COVENT GARDEN, LONDON. 
Professor Crookes’s Radiant Matter Tubes; Apparatus for Science 
Teachers and Schools and Colleges; Apparatus of all sorts as recommended 
by the Science and Art Department, South Kensington. 
Illustrated Catalogue, Part 1, Eledtrical Apparatus, post free, 6d. 
„ „ Part 2, Eledtric Signals, „ 6d. 
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Scientific Lectures. „ 2d. 
SULPHATE OF SODA AND HYDROCHLORIC ACID. 
This day is published in 8vo., 708 pp., with 267 Woodcut Illustrations drawn 
to scale, Price 36s., Volume 2 
OF 
A THEORETICAL AND PRACTICAL TREATISE 
ON THE 
MANUFACTURE OF SULPHURIC ACID AND ALKALI, 
WITH THE COLLATERAL BRANCHES, 
BY 
GEORGE LUNGE, Ph.D., F.C.S., 
Protestor of Technical Chemistry at the Federal Polytechnic School, Zurich 
formerly Manager of the Tyne Alkali Works. 
Vol. I. SULPHURIC ACID, 658 pp., 309 illustrations, 36s. 
Vol. III. (In the Press) will complete the work. 
JOHN VAN VOORST, 1, Paternoster Row. 
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