SYNOPSIS OF FAMILIES AND GENERA. 239 



SYNOPSIS OF THE FAMILIES AND GENERA OF THE 

 GYMNOBLASTEA. 



HYDROIDA GYMNOBLASTEA. 



Frm. I.— CLAVID.E. 

 Clava, Rhizogeton, Cordylophora, Tdbiclava, Merona. 



Fam. II.— TURRID/E. 



TURRIS, CaMPANICLAVA, CORYDENDRIUM. 



Fam. III.— CORYNID^. 



CORYNE, ACTINOGONIUJI. 



Fam. IV.— SYNCORYNID.E. 

 Syncoryne, Corynitis, Gymnocoryne, Gemmaria. 



Fam. v.— DICORYNID.f]. 

 Dicoryne. 



Fam. VI.— BBIERID.E. 



Garveia, Bimeria, Wrightia, IIydrantiiea, Stylactis, Heterocordyle, Cionistes. 



Fam. VII.— BOUGAINVILLID.E. 



BOUGAINVILLIA, DiPLURA, PeRIGONIMUS. 



Fam. VIII.— EUDENDRID^. 



EUDENDRIUM. 



