XX CONTENTS. 



PAGE 



Suborder 4 . . .288 



Desmacidon, Raphyrus . . 288 



Suborder 5 . . .288 



Diplodernia .... 288 



Suborder 6 . . . . 288 



Dactylocalyx . 288 



Suborder! . . 288 



Farrea . . 288 



Order 3. KEEATOSA . . 288 



Suborder 1 . .288 



Spongia . 288 



Spongionella . 289 



Suborder 2 . . 289 



Halispougia .... 289 



SuborderZ .... .289 



Chalina . .289 



Suborder 4 . . 289 



Verougia . .289 



Suborder 5 . . 289 



Auliskia . . 289 



Suborder 6 ... .289 



Stematumenia . .289 



Suborder 7 . .289 



Dysidea . . 289 



