452 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



A F 



Fig. 184. — Genus Strophipora MacGillivray, 1895 



A-F. Strophipora harveyi W. Thompson, 1858. A. The suprascapular and 

 the infrascapular chambers are seen, X40. B. A bizooecial internode from 

 the basal surface. The four pedal chambers are seen, X40. C. A zooecium 

 from the frontal surface, X40. D. The same from the basal surface, X40. 

 E. The same, lateral view, X40. F. A bizooecial internode from the distal 

 end, X55. (A-F. After Levinsen, 1909.) 



Fig. 185. — Genus Strophipora MacGillivray, 1895 



A-C. Subgenus Stenostomaria MacGillivray, 1895. S. solida Waters, 1881. 

 A, B. Front and dorsal views of a geminate pair of zooecia. C. Dorsal view of 

 another pair not showing the elevation on the zooecial back. D, E. Subgenus 

 Microstomaria MacGillivray, 1895. M. tubulifera MacGillivray, 1895. Single 

 zooecium, front and dorsal views. F, G. Subgenus Ditaxipora MacGillivray, 

 1895. D. internodia Waters, 1891, 1895. Front and dorsal views. (After 

 MacGillivray, 1895, and all three species from the Miocene of Australia.) 



