386 Mr. W. S. Kent on the Affinities of the Tabulata. 
(the skilful photographer, and preparer of natural-history spe- 
cimens, attached to the Paris 
which the plates accompanying this paper have been engraved. 
- Since encountering the coral just described, I have dis- 
y- 
species I propose to distinguish by the title of Favositipora 
palæoz 
But not only is the existing F. Deshayesii interesting on 
account of its close relationship to extinct Palæozoic forms, but 
skeletal productions of Hydrozoa. Alveopora is a well-known 
Actinozoon, and it is more than probable that the closely ap- 
proximating Favositipora is referable to the same class. Du 
tary canal, and consequently no mesenteries ; and it must ne- 
cessarily follow that no Hydrozoon could possibly produce- 
