AST. 22, 



CYCLOSTOMATOUS BRYOZOA CANU AND BASSLER. 



135 



of specimens from Chatham is incorrect and his figures represent an 

 absolutely distinct species, Sulcocava defressa. 



Occurrence. — Cretaceous (Coniacian) : Tours (Indre-et-Loire), 

 Villedieu (Loir-et-Cher), Fecamp (Seine inferieure), France. 



.j^^^. 



Fig. 39. — Sulcocava cristata D'Orbigny, 1854. 



A, B. Longitudinal section, X 16, tlie second showing the hollow walls of the 

 tubes. 



C. Meridian section, X 16. 



D-F. Three transverse sections, X 16, the first illustrating the normal shape 

 of the zoariura. 



Cretaceous (Coniacian) : Tours, France. 



Cretaceous (Santonian) : Vendome (Loir-et-Cher) and St. Paterne 

 (Indre-et-Loire), France. 

 Plesiotypes. — Canu collection and Cat. No. 68975, U.S.N.M. 



Genus CAVARINELLA Marsson, 1887. 



1887. Cavarinclla Mabsson, Die Bryozoen der Maastrichter Kreidebildung, 

 p. 53. 



CAVARINELLA RAMOSA Marsson, 1887. 



Plate 19, fig. 10. 



?1851. Cavaria ramosa Hagenow, Die Bryozoen der Maastrichter Kreide- 

 bildung, p. 53, pi. 6, fig. 1. 

 1887. Cavarinella ramosa Mabsson, Die Bryozoen der weissen Schreibkreide 

 der Insel Riigen, Paleontologische Abhundlungen, vol. 4, p. 19, pi. 1, 



20107— 22— Proc. N. M. vol. 61 



