NORTH AMERICAN EARLY TERTIARY BRYOZOA. 



805 



Genotype. Frondipora verrucosa Lamouroux, 1821. 



Range. Priabonian-Recent. 



The zoarial variations are very great. Generally the zoariuin forms true 

 bushy masses which assume the most fantastic and elegant forms. Our fossil 

 specimens are only the insignificant remains of such zoaria. 



FIG. 202. Genus Froml-i/iora Imperato, 1599. 



A-K. Frondipora rcrnicos/i 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 3. F. Dorsal. X H. (.;. Frcntal 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.) 



