424 TUBULIPORID^E. 



Group ii. Incsustata, D'Orbigny. 



Centrifugines empates a cellules non operculees (part.), D'Orb. Pal. 



Frau^. 

 Inarticulata, Busk, B.M. Cat. pt. iii. 

 Inarticulate seu ADFiXiE, id. Crag Pol. 

 Incrustata, D'Orb. : Smitt. 



ZoARiUM calcareous, continuous, not divided by corneous 

 joints, or furnished with radical tubes; erect and 

 attached by a contracted base, or recumbent and im- 

 mediately adnate, either wholly or in part. 



Family II. — TuMliporidae. 



TuBiPORAD.E, Fleming. 



Tubuliporide, Johnston (part.) : M.-Bdwards (fcs Tubulipores) : Busk : 



Smitt (part.) : &c. 

 SPARSID.E (part.), D'Orbigny. 



ZoARiuM entirely adherent, or more or less free and erect, 

 multiform, often linear, or flabellate, or lobate, some- 

 times cylindrical. Zo(ecia tubular, disposed in con- 

 tiguous series, or in single lines. Ogecium an inflation 

 of the surface of the zoarium at certain points, or a 

 modified cell. 



Genus STOMATOPORA, Bronn. 



Der. From arSfia, the mouth, and Tropos. 



Alecto, Lamx. (1821 *) : Blaiuville : Johnston: M.-Edward&: Busk: &c. 



TuBULiPORA (part.), Lamk : Smitt. 



Stomatopora, Bronn (1825) : D'Orbigny (for uniserial species). 



AuLOPORA (part.), Goldfuss : Reuss. 



PuoBosciNA (part.), Audouin : D'Orbigny : Smitt (subgenus). 



DiASTOPORA (part.), Smitt. 



Generic Character. — Zoarium repent, ivholly adnate, 



* Previously (1814) introduced by Leach for a genus of Echinoderms. 

 As the name Alcc^o is still employed in connexion with the Criuoidea and 

 is ordinarily associated with them, I am compelled to abandon it, which I 

 do with much regret. 



