CONTENTS 



CHAPTER PAGE 



I. A SEASHORE LABORATORY 3 



II. A PROBLEM IN DEDUCTION 4° 



III. MORE PROBLEMS 7& 



IV. AN ADVENTURE IN THE MICROCOSM . . . Ill 

 V. JEWELS OF VENUS 14" 



VI. REVELATIONS OF THE NIGHT l86 



VII. HYAS! A MONOGRAPH OF THE SPIDER-CRAB . . 227 



VIII. HIPPOCAMPUS*. A MONOGRAPH OF THE SEA- 

 HORSE 2 7 2 



IX. LOLIGO: A MONOGRAPH OF THE S£UID • . . 3°7 



x. aurelia: a monograph of the moon-jelly 354 



