SYSTEMATIC TABLE 



OF THE ORDERS AND FAMILIES OF NORTH AMERICAN ACiU^EPHiE 

 DESCRIBED IN THIS VOLUME. 



Order CTENOPHOR^ Esch. . 

 Suborder Lobat^ Esch. 

 Family Bolinidae Ag. 

 Family Oeyroeaj Less. . 



Suborder SaccatjE Ag. 

 Family Mertensidas Ag. 

 Family CydippidsB Geg. . 



Suborder Eurystom^ Leuck. 

 Family BeroidEe Esch. 



Order DISCOPHORiE Esch. . 

 Suborder Rhizostome^ Ag. 

 Family Rhizostomidae Esch. . 

 Family Polyclonidae Ag. . 



Suborder Sem.eostome.e Ag. 

 Family Aureliada3 Ag. 

 Family Sthenonise Ag. . 

 Family Cyaneidae Ag. 

 Family Pelaglda) Geg. . 



Suborder Haplostome.e Ag. 

 Family Thalassantheae Less. . 



Suborder Trachynemid.e A. Ag. 

 Family Trachynemidaj Geg. . 

 Family Leuckartidae Ag. . 



Suborder Lucernarle Johnst. 

 Family Cleistocarpidae H. J. C. 

 Fiunily EleutherocarpidaB H. J. C. 



