CONTENTS. 



PAGE 



INTRODUCTION ........................................ i 



TERMINOLOGY OP THE HYDROIDA .................... i 



THE HYDROID COLONY .............................. v 



REPRODUCTION .................................... xx 



RATE OF GROWTH. PHOSPHORESCENCE .............. xliii 



GEOGRAPHICAL DISTRIBUTION ........................ xlv 



METHOD OP COLLECTING THE HYDROIDA .............. xlviiii 



BIBLIOGRAPHY .................................... lii 



DICHOTOMOUS TABLES " .............................. lii 



CLASSIFICATION .................................... Ivii 



Suborder I. ATHECATA ................................ 1-135 



Family CLAVID^E ............................... 1-18 



HYDRACTINIID^E .......................... 18-27 



PODOCORYNID^: ......................... 27-35 



,, LARIDJE .................................. 35-37 



CORYNID.33 ................................ 37-61 



RTAURIDIIDJE .............................. 61-69 



CL.VVATELLIDJE ............................ 69-75 



MYRIOTHELIP.T: .......................... 75-78 



............................ 79-87 



ATBACTYLIDJK ........................... 87-113 



TUBULABIID^K ............................ 114-131 



3 72 SO 



