* * * * *

THE BALANCING OF ENGINES.

By W.E.  DALBY, M.A., B.Sc., M. Inst.  C.E., M.I.M.E., PROFESSOR OF MECHANICAL ENGINEERING AND APPLIED MATHEMATICS IN THE CITY AND GUILDS OF LONDON TECHNICAL COLLEGE, FINSBURY.

Demy 8vo., with 173 Illustrations.

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A HANDBOOK ON FERMENTATION AND THE FERMENTATION INDUSTRIES.

By CHARLES G. MATTHEWS.

Crown 8vo., fully Illustrated.

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HUMAN EMBRYOLOGY AND MORPHOLOGY.

By A. KEITH, M.D., F.R.C.S.  ENG.,
LECTURER ON ANATOMY AT THE LONDON HOSPITAL MEDICAL COLLEGE.

With nearly 250 Illustrations demy 8vo.

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A TEXT-BOOK OF ZOOLOGY.

By G.P.  MUDGE, A.R.C.Sc.  LOND.,
LECTURER ON BIOLOGY AT THE LONDON SCHOOL OF MEDICINE FOR WOMEN, AND THE
POLYTECHNIC INSTITUTE, REGENT STREET.

With about 200 original Illustrations, crown 8vo., 7s. 6d.

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THE PHYSIOLOGICAL ACTION OF DRUGS.

AN INTRODUCTION TO PRACTICAL PHARMACOLOGY.

By M.S.  PEMBREY, M.A., M.D.,
JOINT LECTURER ON PHYSIOLOGY IN GUY’S HOSPITAL MEDICAL SCHOOL,

AND

C.D.F.  PHILLIPS, M.D., LL.D.,
EXAMINER IN MATERIA MEDICA AND THERAPEUTICS IN ABERDEEN UNIVERSITY.

Fully Illustrated, demy 8vo., 4s. 6d. net.

* * * * *

PHOTOTHERAPY.

By N.R.  FINSEN.

Translated by J.H.  SEQUEIRA, M.D.

Demy 8vo., with Illustrations, 4s. 6d. net.

CONTENTS.—­I.  The Chemical Rays of Light and Smallpox.  II.  Light as a
Stimulant.  III.  Treatment of Lupus Vulgaris by concentrated Chemical Rays.

* * * * *

PHYSICAL DETERMINATIONS.

Laboratory Instructions for the Determination of Physical Quantities connected with General Physics, Heat, Electricity and Magnetism, Light and Sound.

By W.R.  KELSEY, B.Sc., A.I.E.E.

Crown 8vo., cloth, 4s. 6d.

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NEW NOVELS.

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Price Six Shillings each.

THE FIERY DAWN.

By M.E.  COLERIDGE,
AUTHOR OF ‘THE KING WITH TWO FACES.’

Second Impression.

CYNTHIA’S WAY.