NORTH AMERICAN EARLY TERTIARY BRYOZOA. 
725 
Later otubigera micro pora D’Orbigny, 1852. Coniacian. 
Entalophora vendinnensis D’Orbigny, 1S50. Cenomanian. 
Berenicea tenuis D’Orbigny, 1850. Oxfordian. 
Fig. 2'68.-^Mecynoecia (Entalophora) probosvidea Milne-Edwards, 1838. 
A. Ovicelled branch enlarged. (After Harmer, 1915.) B. Another ovicelled specimen, X 12. 
(After Waters.) C. A third illustration of the ovicell, X 20. (After Neviani, 1905.) D. Longi- 
tudinal section of a slender colony. E. Longitudinal section of a thick, old branch of variety 
rustica Hagenow, 1850, with a central elongated cavity and with numerous septa. F. Longitudi- 
nal section of a pa rt of the internal wall, X 1250. c. i,, interskeletal cavity ; cl., denticles • pr., 
prolongation. (D-F after Pergens, 1889.) 
Diastopora escharoides Michelin, 1847. Cenomanian. 
Proboscina parvitubulata Gregory, 1896. Bathonian. 
Diastopora cl.avidsoni Haime, 1854. Bajocian-Bathonian. 
