2 MARINE POLYZOA. 



Suborder I. CHEILOSTOMATA. 



Aperture of the cell filled with a thin membranaceous or calca- 

 reous velum, with a crescentic mouth provided with a moveable 

 lip. 



Escharadse, Flustradse, Cellariadae (ex Crisia), Fleming, Brit, 



Anim. 1828. 



Polypiaria operculifera et cellarisea (ex Crisia), Blainville, 1834. 

 Escharina, Celleporina, Ehrenb. 1834. 

 Cheilostomata, Busk, in Voy. of Rattlesn. i. 346, 1852. 



Synopsis of Families. 

 Suborder I. CHEILOSTOMATA. 



A. Articulata. 



a. Uniserialaria. 



Fam. 1. Catenicellidae, p. 3. 



b. Bi-multiserialaria. 



Fam. 2. Salicornariada?, p. 15. 

 Fam. 3. Cellulariadee, p. 19. 



B. Inarticulata seu continua. 



a. Uniserialaria. 



Fam. 4. Scrupariada3, p. 28. 



b. Bi-multiserialaria. 



Fam. 5. Farciminariadse, p. 32. 

 Fam. 6. Gemellariadae, p. 33. 

 Fam. 7- Cabereadae, p. 37. 

 Fam. 8. Bicellariadse, p. 41. 

 Fam. 9. Flustradse, p. 46. 

 Fam. 10. Membraniporida3. 

 Fam. 11. Celleporidse. 

 Fam. 12. Escharadse. 

 Fam. 13. Vinculariadse. 

 Fam. 14. Selenariada3. 



1. ARTICULATA. Polyzoary divided into distinct portions or 

 joints by flexible articulations. 



1. UNISERIALARIA. Cells disposed in a single series. 



