TAB. XXVIII. 

 CORALS FROM THE INFERIOR OOLITE. 



Thecosmilia gregaria (p. 135). 



Fig, ] . Oblique view of a large specimen, showing the mode of division of the mass ; 

 the epitheca, and the costal striae ; natural size. 

 1 a. 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. 



