THE KED CHALK OF HUNSTANTON. 



461 



Table (continued). 



Genus Eeptomulticava, d' Orb. 



33. sim-plexi?), d' Orb 



34. collis(?), d'Orb 



Genus Zonopora, d'Orb. 



35. irregularis (?), d'Orb , 



36. variabilis (?), cZ'Or^* 



Genus Multicrescis, d' Orb. 



37. variabilis (?), ^'OrS 



Genus TJncicavea, d'Orb. 



38. coUis, d'Orb 



I II. Suborder Oheilostomata, Busk, 

 Genus Membranipora, Blainville. 



39. gaultina, sp. nov ,. 



40. fragilis (?),cZ'OrZ> 



41 . elliptica (?), v. Hagencw 



42. obliqua, <^'6)r6 



Genus Hippothoa, d.Orb. 

 43. simplex, c?'0r6 , 



O 





q6 







o 



lY. Desceiption oe Species. 



POLYZOA, Bask. 



§ I. Suborder CYCLOSTOMATA, Busk. 

 = Bryozoaires centrifugines (in part), d'Orbigny. 



§A. Paeallelata, Waters. 



Zoaria encrusting, dendroid, or anastomosing. Zoariurn, to a 

 large extent, formed of the walls of the Zocecia. 



Genus Stomatopoea, Bronn. 



1821. AJecto, Lamouroux=^^/Zoporrt (part), Goldf. 



1825. Stomatopora, Bronn. 



1852. Stomatopora (for uniserial species), d'Orbigny. 



The uniserial Sfmnatoporce of the British Cretaceous rocks have 

 been variously identified and treated of by different authors. In 

 the earlier days of palseontological investigation only a limited 

 number of works, dealing with the Polyzoan group of fossils, could 



