ANTHOZOA—TABULATA. 



83 



In the Onondaga limestone of Canada, Michigan, Ohio, New 

 York, Indiana, Kentucky, etc. 



80. S. tabulata E. & H. 



Devonic. 



Fig. 135. Syringopora perelegans (Ind. Geol. Survey). 



Corallites slender as in the preceding, but closer together and 

 parallel. Connecting tubes at uniform levels, giving the appear- 

 ance of horizontal floors connecting the corallites. 



""-■ : ^»-- 





Fig. 136a. Favosites venustus. 



In the Onondaga limestone of the Falls of the Ohio and else- 

 where. 



