NORTH AMERICAN EARLY TERTIARY BRYOZOA. 
805 
Genotype. — Frondipora verrucosa Lamouroux, 1821 . 
Range. — Priabonian-Recent. 
The zoarial variations are very great. Generally the zoarium forms true 
bushy masses which assume the most fantastic and elegant forms. Our fossil 
specimens are only the insignificant remains of such zoaria. 
Fig. 262. — Genus Frondipora Imperato, 1599. 
A-K. Frondipora verrucosa Lamouroux, 1821. A, B. Zoaria, natural size. C. Frontal o; 
branch, X 25, showing fascicles confluent. D. Dorsal, X 25. (A-D, after Busk, 1875.) E. 
Frontal of branch, X B. F. Dorsal, X 11. G. Frontal of a young branch, X 12. H-J. Young 
specimens, natural size. K. Colony, natural size, growing on a shell. (E-K, after Waters, 1879.) 
