6 TABULATE CORALS. 



special group of uncertain zoological position ; ColiLmnaria, 

 Goldf., is placed among the Cyathophyllidis, in the section of 

 the Rtigosa; Flctcheria, E. and H., and Michelinia, De Kon., 

 are referred to the CystiphyllidcB ; and Syringopora, Goldf., is 

 regarded as a Rugose Coral, allied to LitJiostrotioii or DipJiy- 

 phyllum. I shall have occasion to notice many of the views 

 expressed by Dr Lindstrom in greater detail in dealing with 

 the families and genera of the Palaeozoic Tabulate Corals ; and 

 the general results of his investigations will be best understood 

 if I append here the following list, in which the various genera 

 of the " Tabulata^' of Edwards and Haime are referred to what 

 Dr Lindstrom considers to be their true place in the zoological 

 system : — 



