NORTH AMERICAN EARLY TERTIARY BRYOZOA. 
8] 5 
Fig. 268. — Genus Lichenopora Defiance, 1823. 
A. Fragment of the zoarium, X 25, of Lichenopora hispida Fleming, 1828, showing the can- 
eelli and the tubes provided with the visor. (After Hineks, 1880.) 
B. Ovicell of Lichenopora bullata MacGillivray, 1886, superposed upon cancelli. (After Mac- 
Gillivray, 1889.) 
C. D. Longitudinal section, X 7, and X 12 of Lichenopora boletiformis Reuss, 1869, a fossil 
from Aldinga, Australia, showing tabulae irregularly placed. (After Waters, 1S84.) 
E. Protoecium of Lichenopora hispida Fleming, 1828. 
F. A single cell of Lichenopora verrucaria Fabricius, 1780, showing the acuminate margin. 
(E, F, after Hineks, 1880.) 
G-U. Figures showing oeciostomes and spinules of the cancelli. G. Lichenopora hispida 
Fleming, 1828. (After Hineks, 1880.) H. Lichenopora holdswortlii Busk, 1875. (After Waters, 
1888.) I. Lichenopora mediterranea Blainville, 1834. (After Harmer, 1915.) J, K. Licheno- 
pora echinata MacGillivray, 1883. (After Waters, 1888.) L, M. Lichenopora radiata Audouin, 
1826. (After Hineks, 1880, and Waters, 1879.) In L the cancelli to the left are closed by a 
delicate calcareous cover perforated with about two to ten holes and to the right they show spines 
with globular terminations. N, O. Lichenopora novae-zelandiae Busk, 1875. (After Harmer, 
1915.) P, Q. Lichenopora verrucaria Fabricius, 1780. (After Smitt, 1866, and Harmer, 1896.) 
R. Lichenopora reticulata MacGillivray, 1883. (After Waters, 1894.) S. Lichenopora vena- 
bulum Jullien, 1888. (After Waters, 1887.) T. Lichenopora flmbriata Busk, 1875. (After 
Busk.) U. Lichenopora capillata Kirkpatrick, 1890. (After Kirkpatrick.) 
