114 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.61. 



Genus PARASCOSOECIA Canu, 1919. 



1920. Parascosoecia Canu and Bassler, North American Early Tertiary 

 Bryozoa, Bull. 106, U. S. National Museum, p. 840. \Give description 

 and illustration.) 



PARASCOSOECIA CICATRIX Gregory. 1899. 



1899. Sparsicavea cicatrix Gregory, Catalogue of Cretaceous Bryozoa, p. 



391, fig. 52. 

 1897. Peripora pseudospiraUs, Heteropora clara, Heteropora ohliqua, Canu, 



Bryozoaires du Turonian de St. Calais, Bulletin Societe geologique de 



France, ser. 3, vol. 25, pp. 746, 747. 



A C 



Fig. 33. — Parascosoecia cicatrix Gregory, 1899. 



A. Longitudinal .section, X 16. 



B. Tangential section, X 16. 



C. Transverse section, X 16. 



Cretaceous: Ruille Ponce (Loir-et-Cher), P"'rance. 



The very great variations of this species explain Canu's errors in 

 determination. The pelliciile which closes the mesopores disappears 

 often in fossilization, and the specimens have then most fantastic 

 aspects. 



In 150 specimens from Canu's collection but one ovicell has been 

 found. 



The authors (Gregory, Novak, etc.) have given to the mesopores of 

 this zoarial form, Sparsicavea^ a too great regularity and a general 

 aspect vrhich does not correspond to the reality observed in thin 



