THE BIRTH-TIME OF THE WORLD AND OTHER SCIENTIFIC ESSAYS
J. JOLY, M.A., Sc.D., F.R.S., PROFESSOR OF GEOLOGY AND MINERALOGY IN THE UNIVERSITY OF DUBLIN
E. P. DUTTON AND COMPANY 681 FIFTH AVENUE NEW YORK
I. THE BIRTH-TIME OF THE WORLD - - - - - - - - - - - 1
II. DENUDATION - - - - - - - - - - - - - - - - - - 30
III. THE ABUNDANCE OF LIFE - - - - - - - - - - - - 60
IV. THE BRIGHT COLOURS OF ALPINE FLOWERS - - - - - 102
V. MOUNTAIN GENESIS - - - - - - - - - - - - - - - 116
VI. ALPINE STRUCTURE - - - - - - - - - - - - - - - 146
VII. OTHER MINDS THAN OURS - - - - - - - - - - - - 162
VIII. THE LATENT IMAGE - - - - - - - - - - - - - - 202
IX. PLEOCHROIC HALOES - - - - - - - - - - - - - - 214
X. THE USE OF RADIUM IN MEDICINE - - - - - - - - - 244
XI. SKATING - - - - - - - - - - - - - - - - - - - 260
XII. A SPECULATION AS TO A PRE-MATERIAL UNIVERSE - 288
PLATE I. LAKE OF LUCERNE, LOOKING WEST FROM BRUNNEN - Frontispiece
PLATE II. "UPLIFTED FROM THE SEAS." CLIFFS OF THE TITLIS, SWITZERLAND - to face p. 4
PLATE III. AN ALPINE TORRENT AT WORK--VAL D'HERENS, SWITZERLAND - to face p. 31
PLATE IV. EARTH PILLARS--VAL D'HERENS - to face p. 34
PLATE V. "SCENES OF DESOLATION." THE WEISSHORN SEEN FROM BELLA TOLA, SWITZERLAND - to face p. 40
PLATE VI. ALLUVIAL CONE--NICOLAI THAL, SWITZERLAND. MORAINE ON ALETSCH GLACIER SWITZERLAND - to face p. 50
PLATE VII. IN THE REGION OF THE CROCI; DOLOMITES. THE ROTHWAND SEEN FROM MONTE PIANO - to face p. 60
PLATE VIII. FIRS ASSAILING THE HEIGHTS OF THE MADERANER THAL, SWITZERLAND - to face p. 73
PLATE IX. LIFE NEAR THE SNOW LINE; THE BOG-COTTON IN POSSESSION. NEAR THE TSCHINGEL PASS, SWITZERLAND - to face p. 80
PLATE X. THE JOY OF LIFE. THE AMPEZZO THAL; DOLOMITES - to face p. 93
PLATE XI. "PINES SOLEMNLY QUIET." DÜSSISTOCK; MADERANER THAL - to face p. 100
PLATE XII. ALPINE FLOWERS IN THE VALLEYS - to face p. 105
PLATE XIII. ALPINE FLOWERS ON THE HEIGHTS - to face p. 106
PLATE XIV. MOUNTAIN SOLITUDES; VAL DE ZINAL. FROM LEFT TO RIGHT ROTHHORN; BESSO; OBERGABELHORN; MATTERHORN; PIC DE ZINAL (THROUGH CLOUD); DENT BLANCHE - to face p. 116
PLATE XV. SECTOR OF THE EARTH RISE OF ISOGEOTHERMS INTO A DEPOSIT EVOLVING RADIOACTIVE HEAT - to face p. 118
PLATE XVI. "THE MOUNTAINS COME AND GO." THE DENT BLANCHE SEEN FROM THE SASSENEIRE - to face p. 133