CELLEPOBID/E. 55 



;>y. L. MEGASTOMA, S. W. (M.S.) PI. VIII, fig. 5. 



Cellulis ovatis, umbonatis, ad marginem poris canaliculatis ornatis. Orificio magno 

 semiorbiculari, labio inferiori recto, integro, peristomate siniplici. 



Cells ovate, raised in the middle, with a single row of channelled pores round the 

 border ; orifice large, semicircular, with a straight lower lip and simple peristome. 



Habitat. C. Crag, S. W., inside a large, bivalve shell. 



2. APFIX/E. 

 A. MASSIVE. 

 Fam. V. CELLEPORID&, Busk. 



Polyzoarium e cellulis plus minusve verticalibus, confertis sen confuse superirupositis 

 compositum. 



Polyzoarium composed of cells more or less vertical to its axis or plane, heaped together 

 or irregularly overlying each other. 



Genus 1. CELLEPORA. 



Polyzoarium calcareum, spongiosum, e cellulis urceolatis plus minusve verticalibus, 

 confertis vel irregulariter quincuncialibus, superimpositis compositum. 



Polyzoarium calcareous, spongy, composed of urceolate cells placed more or less vertical 

 to its axis or plane, heaped together or irregularly quincuncial, and overlying each 

 other. 



CELLEPORA (pars), O. Fab., 1780; Gmelin (pars), 178!); Esper (pars), 1791; Lamarck 

 (pars), 1801 ; Lamouroux (pars), 1816, not 1821 ; Blainville (pars), 1834 ; 

 Reuss (pars), 1847; Hagenow (pars), 1851 ; Michelin, 1847; Johnston. 



CELLEPORARIA, Lamouroux, 1821 ; D'Orbigny, 1852. 



SPONGITES, Oken (pars). 



TUBIPORA, Linn. (pars). 



MILLEPORA (pars), Pallas; Solander. 



ESCHARA (pars), Pallas; Ellis; Gmelin. 



MADREPORA (pars), Esper. 



FLUSTRA (pars), Solander ; Stewart. 



REPTOCELLEPORARIA (sp.), D'Orbigny. 



