TABULATE CORALS. 



special group of uncertain zoological position ; Columnaria, 

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

 the Rugosai Fletcheria, E. and H., and Michelinia, De Kon., 

 are referred to the Cystiphyllidce \ and Syringopora, Goldf., is 

 regarded as a Rugose Coral, allied to Lithostrotion or Diphy- 

 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 " Tabulate" of Edwards and Haime are referred to what 

 Dr Lindstrom considers to be their true place in the zoological 

 system : 



Name of Genus. 

 Millepora, 

 Heliopora, 

 Polytremads, 

 Heliolites, . 



Fistulipora, 

 Plasmopora, 

 Propora, . 



Lyellia, 

 Axopora, . 

 Batter sbyia, 

 Favosites ) 

 Emmonsia ) 

 Michelinia, 

 Alveolites, . 

 Ro&meria ) 

 Koninckia ) 

 Chcetetes \ 



Monticulipora 

 Dania 

 Stellipora 

 Dekayia, . 

 Beaumontia, 

 Labechia, . 

 Sfylophyllum, 

 Halysites, . 



Syringopora, 



\ 



To be removed to 



Hydrozoa ? 



Alcyonaria (Moseley). 



Alcyonaria. 



Heliolitidce (special family). 

 J Some species to Heliolites ; others 

 ( to the Polyzoa. 



Heliolitida. 



( Heliolitida (probably inseparable 

 ( from Plasmopora). 



Heliolitida. 



Hydrozoa ? 



Astrceida (Duncan). 

 ( Sub-family Favositina of the Pori- 

 l tida. 



Cystiphyllida. 



Partly Favositince, partly Polyzoa. 



Favositince, 



Polyzoa. 



Polyzoa ? 



Favositince. 



Hydrozoa. 



Hydrozoa ? 



Heliolitidce. 



( Vicinity of Lithostrotion and Diphy- 

 1 phyllum. 



