NOTICE TO AUTHORS.

Authors of ORIGINAL PAPERS wishing REPRINTS for private circulation may have them on application to the Printers of the Journal, Messrs. W. CLOWES & SONS, 14, CHARING CROSS, S.W., at a fixed charge of 30s. per sheet per 100 copies, including a COLOURED WRAPPER and TITLE PAGE, but such Reprints will not be delivered to Contributors till ONE MONTH after publication of the Number containing their Paper, and the Reprints must be ordered before the expiration of that period.

ART.

CONTENTS OF No. XXVI.

PAGE

149

I. MEGALITHIC STRUCTURES OF THE CHANNEL ISLANDS:

their History and Analogues. By Lieut. S. P. Oliver,

Roy. Art., F.R.G.S. With Two Page-Plates ..

II. ON INSANITY. By Dr. P. Martin Duncan, F.R.S., &c. 165

III. THE METALLURGICAL INDUSTRY OF CLEVELAND. With

Two Page-Plates

186

IV. ON "TROPHIC NERVES." By George Rolleston, M.D.,

F.R.S., Linacre Professor of Anatomy and Physiology,

Oxford

V. RECENT OBSERVATIONS ON UNDERGROUND TEMPERATURE, OR

THE CAUSES OF VARIATION IN DIFFERENT LOCALITIES.

By Edward Hull, M.A., F.R.S., Director of the Geolo-

gical Survey of Ireland. With Woodcut

200

207

VIII. ATMOSPHERIC ELECTRICITY AND RECENT PHENOMENA OF

REFRACTION. By Samuel Barber

229

NOTICES OF SCIENTIFIC WORKS.

Faraday, his Life and Letters. (Longmans)

Geology and Revelation: or the Ancient History of the Earth

considered in the Light of Geological Facts and

Revealed Religion. By the Rev. Gerald Molloy, D.D.

(Longmans & Co.)

232

238

CHRONICLES OF SCIENCE,

With Proceedings of Learned Societies, and Recent Scientific Literature.

1. AGRICULTURE

PAGE

..

241

2. ARCHEOLOGY (PRE-HISTORIC), and Notices of Recent Archæological Works

244

3. ASTRONOMY (including the Proceedings of the Royal Astronomical Society)

6. ENGINEERING-CIVIL AND MECHANICAL

249

254

258