THE

INTELLECTUAL OBSERVER

REVIEW OF NATURAL HISTORY

MICROSCOPIC RESEARCH

AND

RECREATIVE SCIENCE

VOLUME VII

ILLUSTRATED WITH PLATES IN COLOURS AND TINTS, AND NUMEROUS
ENGRAVINGS ON WOOD

CONTENTS,

NOTICE TO Our Readers

THE NILE AS A SANATORIUM. By F. W. FAIRHOLT, F.S.A. With a Coloured

Plate

VEGETABLE HYBRIDS AND THEIR PROGENY

THE AUSTRALIAN LYRE BIRD. By "AN OLD BUSHMAN".

THE BRITISH OCEANIC ENTOMOSTRACA. By GEORGE S. BRADY, M.R.C.S.

With a Coloured Plate

RETARDED EBULLITION-BOILER EXPLOSIONS.

THE GERMINATION OF FERN SPORES. By the Rev. F. HOWLETT, M.A.,

F.R.A.S. With an Illustration

A BRIEF HISTORY OF A RIVER TANK. By SHIRLEY HIBBERD.

Illustration

With an

NOTES ON FUNGI.-No. I. By the Rev. M. J. BERKELEY, M.A., F.R.S....

THE LUNAR ARCTIC REGION: MARE FRIGORIS: MOUNT TAURUS: POSI-

DONIUS. OCCULTATIONS. By the Rev. T. W. WEBB, A.M., F.R.A.S.

RESULTS OF METEOROLOGICAL OBSERVATIONS MADE AT THE KEW OBSER-

VATORY. By G. M. WHIPPLE.

THE "POPULAR MICROSCOPE." With Two Illustrations

THE WANDERING POLYZOON (CRISTATELLA MUCEDO).

HOUGHTON, M.A., F. L.S. With a Coloured Plate

LIFE CONDITIONS IN OTHER WORLDS

ON TRANSMITTED ILLUMINATION IN CONNECTION WITH THE STRUCTURE

OF THE SILICEOUS DIATOM VALVE. BY RICHARD BECK.

Illustration

PINK MONADS AND THEIR ENEMIES. By HENRY J. SLACK, F.G.S.

a full-page Illustration

By Rev. W.

83

With an

93

With

95

THE AUSTRALIAN SATIN BIRD AND THE KING PARROT. By "AN OLD

BUSHMAN"

102

THE DOG AS A CULPRIT. By JONATHAN COUCH, F.L.S.

MICROSCOPIC CRYSTALS (URIC ACID AND ITS DERIVATIVES). By GEORGE

105

S. BRADY, M.R.C.S......

108

NOTES ON SOME OF THE SMALLER RODENTS FOUND IN NORTH WEST

AMERICA. By J. K. LORD, F.Z.S.

111

ANIMALCULES IN THE WINTER. By Professor RYMER JONES, F.R.S.

DIFFRACTION EXPERIMENTS. With two Diagrams and three Illustrations 122

MR. LASSELL AT MALTA

118

131

ASTRONOMICAL NOTES. By the Rev. T. W. WEBB, M.A., F.R.A.S....

NOTES ON FUNGI.-No. II. WHITE SPORED MUSHROOMS (THE RING-

BEARERS). By the Rev. M. J. BERKELEY, M.A., F.L.S.

Coloured Plate

133

With a

163

LONDON BIRDS. By SHIRLEY HIBBERD

167

LEPIDOPTERA FEEDING ON FERNS. By M. G. CAMPBELL

AURORAL ARCHES

THE ACHROMATIC TELESCOPE, DIALYTES, AND FLUID LENSES.-NEBULE.

-DOUBLE STARS.-OCCULTATIONS. By the Rev. T. W. WEBB, A.M.,

176

178

F.R.A.S.

179