Appendix 169

BIBLIOGRAPHY 179

INDEX 185

LIST OF ILLUSTRATIONS.

PYROSOMA AND DIVER (PLATE XVII.) Facing Title.

SEA BOTTOM. 1,500 metres, or one-quarter of mile in depth Facing Page 1

FACING PAGE

PLATE I. LUMINOUS PROTOZOANS--LUMINOUS PORTIONS OF NOCTILUCA 3

„ II. M. DE TUSSAN READING BY LIGHT OF PHOSPHORESCENT SEA 7

„ III. LUMINOUS SEA JELLY--LUMINOUS CORAL--PRUNING-KNIFE FISH 11

„ IV. LUMINOUS SEA JELLY AND MOLLUSK 13

„ V. VENUS’ GIRDLE 15

„ VI. APOLEMIA--CLEODORA--PRAYA 43

„ VII. BURROW OF PHOLAS--SEA PEN 39

„ VIII. LUMINOUS STAR FISHES. From 4,500 feet deep 29

„ IX. LUMINOUS BEETLES, ETC. 47

„ X. ANATOMICAL DETAILS 53

„ XI. LUMINOUS BEETLE, in burrow of Mole Cricket 59

„ XII. THE LANTERN FLY 63

„ XIII. LUMINOUS MUSHROOMS--LUMINOUS INSECT 137

„ XIV. SPIDER CRAB 75

„ XV. LUMINOUS CRUSTACEANS 79

„ XVI. CHAIN OF SALPS 89

„ XVIII. CHIASMODUS--SUN-FISH--PLAGIODUS--HARPODON--BERYX 97

„ XIX. LUMINOUS FISH. From depth of 8,100 feet 103

„ XX. LUMINOUS FISH 115

„ XXI. UMBELLULARIA--LUMINOUS FISH--SILICIOUS SPONGE--LUMINOUS CORALS--LUMINOUS CRUSTACEAN 125

„ XXII. LUMINOUS FISH. With two luminous disks, one emitting a golden, the other a greenish light 132

„ XXIII. DEEP SEA ANGLER 145

„ XXIV. PELICAN FISH 155

„ XXV. LUMINOUS WATERSPOUT 163

„ XXVI. LUMINOSITY OF HERON’S BREAST 109

1,500 metres, or one quarter of mile in depth.]

LIVING LIGHTS.