MURRAY AND GIBB, EDINBURGII,

PRINTERS TO HER MAJESTY'S STATIONERY OFFICE.

CONTENTS.

Alpine Perils-Professor Forbes on

Amber an Article of International Trade

Alchemists, The Last of the

Amsterdam Pile, The .

Arkwright's Spinning Frame

Art of Stereotype, The

Antiquity of Lightning Conductors, 67; of Refined Sugar

Clearness of the Sky at the Cape of Good Hope

Crawshays of Merthyr Tydvil, The

in London

Cuvier, Homage to, 14; and Napoleon, 21; Childhood of, 25

Davy, Sir Humphry, Death of, 13; as an Angler

Deaf, The, How they may Hear.

Decline of Science, The

Early Incitements (Humboldt's) to Study of Nature

Earthquakes, in Chile, 38; How to Measure

Electricity, The Velocity of

PAGE

110

30

66

150

87

128

105

132

44

51

59

103

86

37

40

133

43

33

90

37

140

23

74

43

88

21

50

127

70

15

39

93

68

52

117

51

92

114

54

103

62

69

137

72

62

155

Herschel's Love of Music, 59; his First Telescope, 75; his Sister 94

Gutta-percha, Discovery of

Holding a "Craw's Court"

30

Hyena, A Tame

107

India Rubber 150 Years Since

85

Indian Jugglers' Secret, The

105

Invention of Gun Cotton, 35; of the Diving Bell, 78; of the
Hand Gear

130

Invisible Despatch, The

107

Jesuit's Bark, The First Use of

51

Kaleidoscope, Sir D. Brewster's, 120; Combinations of the, 84