LIST OF PLATES 



SALMON ASCENDING A FALL . . Frontispiece 



PLATE FACING PAGE 



I. CROWDED GROUP OF GUILLEMOTS ON A STACK 



OF ROCK 



II. TERNS OR SEA-SWALLOWS FLYING ON THE 



SHORE . 1 1 



III. FOUR OPEN-SEA ANIMALS . . . . . 64 



IV. GLAUCOUS GULL AT LERWICK ... . 67 

 V. OPEN-SEA ANIMALS . . . . . ; . 73 



VI. THE STORM PETREL IN THE OPEN SEA . . 84 



VII. THE FLOOR OF THE DEEP SEA . . . . 105 



VIII. DEEP SEA NEAR SHORE 115 



IX. A FRESH- WATER POOL . . . . .140 



X. A FRESH-WATER POOL . . . . .158 



XI. SNOW-COVERED MOORLAND IN WINTER . . 220 



XII. A CAVE IN DALMATIA . * . .- - * .228 



XIII. DIAGRAM OF FIVE HAUNTS OF LIFE . . . 231 



XIV. BATS FLYING IN THE TWILIGHT . . ; . . 254 



XV. FLYING DRAGONS, DRACO VOLANS, OF THE 



FAR EAST . .'.>.* > ,V 260 

 XVI. GULLS IN FLIGHT 266 



