2-16

EDINBURGH NEW

PHILOSOPHICAL JOURNAL,

EXHIBITING A VIEW OF THE

PROGRESSIVE DISCOVERIES AND IMPROVEMENTS

IN THE

SCIENCES AND THE ARTS.

EDITORS.

THOMAS ANDERSON, M.D., F.R.S.E.,

>
REGIUS PROFESSOR OF CHEMISTRY, UNIVERSITY OF GLASGOW;

SIR WILLIAM JARDINE, BART., F.R.S.E. ;
JOHN HUTTON BALFOUR, A.M., M.D.,

F.R.SS. L. & E., F.L.S.,

KEGIOS KEEPER OF THE ROYAL BOTANIC GARDEN, AND PROFESSOR OF MEDICINE AND BOTANY,

UNIVERSITY OF EDINBURGH,

FOR AMERICA,
HENRY D. ROGERS, LL.D., Hon. F.R.S.E., F.G.S.,

STATE GEOLOGIST, PENNSYLVANIA; PROFESSOR OF NATURAL HISTORY IN THE

UNIVERSITY OF GLASGOW

JANUARY ...... APRIL 1860.

VOL. XI. NEW SERIES.

EDINBURGH:

ADAM AND CHARLES BLACK.
LONGMAN, BROWN, GREEN, & LONGMANS, LONDON.

MDCCCLX.

CONTENTS.

PAGE

1. Observations on the Genetic Cycle in Organic Nature,

and particularly on the Relation between the different

Forms of Alternation of Generations and the more

Ordinary Modifications of the Reproductive Process.

BY GEORGE OGILVIE, M.D., Lecturer on the Institutes

of Medicine in Marischal College and University,

Aberdeen,

1

2. Peruvian Gleanings. By Dr ARCHIBALD SMITH,

25

3. On the Vestiges of Extinct Glaciers in the Lake Districts

of Cumberland and Westmoreland. Part I.

EDWARD Hull, A.B., F.G.S. With two Plates,

Ву

31

4. On the Application of certain Laws of Heat and Com-

bustion to the Use and Economy of Fuel. Being the

substance of a Paper read before the Aberdeen Philo-

sophical Society, 11th February 1859. By Alex-

ANDER D. MILNE,

15