CONTENTS. 



PAGE 



LIST OF THE WOOD-CUTS ........... viii 



BIBLIOGRAPHY 3 



CTENOPHOR^E 7 



DISCOPHOR^E ............. 40 



HYDROID^E .............. 64 



GEOGRAPHICAL DISTRIBUTION. 221 



SYSTEMATIC TABLE OF THE ORDERS AND FAMILIES 227 



INDEX OF GENERA AND SPECIES . . . 229 



NO. II. 



