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THE

INTELLECTUAL OBSERVER:

REVIEW OF NATURAL HISTORY,

MICROSCOPIC RESEARCH,

AND

RECREATIVE SCIENCE.

VOLUME IV.

ILLUSTRATED WITH PLATES IN COLOURS AND TINTS, AND NUMEROUS

ENGRAVINGS ON WOOD.

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CONTENTS.

PAGE

MICRO-LEPIDOPTERA. (COLEOPHORA, OR TEXT-MAKERS.) By L. LANE

CLARKE. With a Coloured Plate ...

A Visit to LLANDUDNO. By HENRY J. SLACK, F.G.S.

Ox CAMPHOR PULSATIONS. By CHARLES TOMLINSON

Notes ON THE MOLE. By the Rev. J. G. Wood, M.A., F.L.S..

OPHRYDIUM VERSATILE. By the Rev. W. Houghton, M.A., F.L.S. With

a Tinted Plato

ALLOTROPY. By W. B. TEGETMEIER

ELECTRICAL RESEARCHES BY DE LA RIVE AND GASSIOT

METEOROLOGICAL OBSERVATIONS. By CHARLES CHAMBERS

THE STUDY OF MOSSES

THE SOURCES OF THE NILE. By Professor D. T. ANSTED, M.A., F.R.S.

CLUSTERS OF STARS AND NEBULE.-THE SURFACE OF THE Moon. By the

Rev. T. W. WEBB, M.A., F.R.A.S.

REMARKS UPON THE HORNED TRAGOPANS (CERIORNIS Satyra). By A.

D. BARTLETT. With a Coloured Plate

SANDAL-WOOD AND ITS COMMERCIAL IMPORTANCE. By BERTHOLD SEE-

MANN, Ph.D., F.L.S., F.R.G.S. With an Illustration

THE ZOOLOGIST AT SCARBOROUGH. By the Rev. G. Rowe, M.A.....

ON THE PHOTOGEN OIs. By J. W. M'GAULEY..

CRYSTALS IN THE INTESTINES OF ARTEMIA SALINA. By HENRY J.

SLACK, F.G.S. With an Illustration

THE COLUMNAR BASALT OF Pouk HILL, SOUTI STAFFORDSHIRE. By J.

JONES.....

PASTEC R'S RESEARCHES ON PUTREFACTION .........

THE LUNGS, HEART, AND Bloom-VESSELS OF THE SLug. By HENRY

LAWSON, M.D. With a T'inted Plate

Arsa CRAIG AND ITS Birds. By ROBERT GRAY

NOTES ON THE NATURAL HISTORY OF THE NATTERJACK. By JONATHAN

Couch, F.L.S., ETC..

MOONLIGHT AND COLOUR

THE HYRAX OF SYRIA. By the Rev. C. H. MIDDLETON, B.A, With an

Illustration

TETRAPHIS PellucIDA, PELLUCID FOUR-TOOTHED Moss.

By M. G.

CAMPBELL. With an Illustration

MARCET ON NOCTURNAL RADIATION

THE BLUE CYANÆA. By Pulip HENRY Gosse, F.R.S. With a Coloured

Plate.

FALLING STARS AND METEORITES. By PROFESSOR D. T. ANSTED, M.A.,

F.R.S.......

THE USE OF Low POWERS WITH DEEP EYE-PIECES. By H. J. SLACK,

F.G.S.

THE PIASCUMS, OR Earth Mosses. By M. G. CAMPBELL. With an

Illustration

DISEASE GENERATED BY INFUSORIA

M, Pissis ON TIE ANDES....

THE PLANET Mars : A FRAGMENT. DOUBLE STARS. OPTICAL DECEP-

TION. By the Rev. T. W. WEBB, M.A., F.R.S. With a Coloured

Plate and an Illustration

NOTES ON THE HORNED PHEASANT. By R. C. Beavan.

THE NEW BRITISH SAND-GROUSE. By THOMAS J. MOORE. With an

IUustration

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