TAB. XLI. 

 CORALS FROM THE MOUNTAIN LIMESTONE. 

 LlTHOSTROTION IRREGULARE (p. 198). 



Fig. 1 . A specimen, partly broken ; natural size. 

 1 a. Inferior part of a tuft ; natural size. 

 1 b. Upper surface of a specimen, in which the intermural spaces are filled up with 



extraneous matter ; natural size. 

 1 c. Calice, magnified. 



1 d. Vertical section of a Corallite, magnified. 

 1 e. Vertical section of a Corallite not passing through the central axis, magnified. 



