TAB. XXVIII. 
CORALS FROM THE INFERIOR OOLITE. 
THECOSMILIA GREGARIA (p. 135). 
Fig. 1. Oblique view of a large specimen, showing the mode of division of the mass ; 
the epitheca, and the costal stric ; natural size. 
la. Upper surface of the same, showing the mode of arrangement of the corallites 
and the structure of the calices ; natural size. 
The fine specimen here figured belongs to the collection of Dr. Wright, of Cheltenham. 
