234 



INDEX OF GENERA AND SPECIES. 



Turris (continued) 



vesicaria A. AGASS. 

 Turritopsis McCR. 



nutricula McCR. . 

 Velella LAMX. 



mutica Bosc 



soptentrionalis ESCH. 



Willia FORBES . 



ornata McCR. . 



164 

 1G7 

 167 

 216 

 216 

 217 



171 

 171 



Wriyhtia AGASS. . 



Zanclea McCR. . 



gemmosa McCR. . 

 Zygodactyla BR. . 



coerulescens BR. . 



crassa A. AGASS. . 



cyanea AGASS. . 



groerilandica AGASS. 



70 



184 



184 

 103 

 108 

 106 

 107 

 103 



THE END. 



Cambridge : Electrotyped and Printed by Welch, Bigelow, & Co. 



