CELLEPORID^. 55 



29. L. MEGASTOMA, S. W. (m.s.) PI. VIII, % 5. 



Cellulis ovatis, uuihoiiatis, ad marginera poris canaliculatis ornatis. Orificio magno 

 semiorbiculari, labio inferior! recto, integro, peristomate siinplici. 



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. Affix/E. 



A. MASSIViE. 



Pam. V. CELLETOBWM, Busk. 



Polyzoarium e cellulis plus niinusve verticalibus, confertis sen confuse superimpositis 

 compositum. 



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

 or irregularly overlying each other. 



Genu^ 1. Ckllei'ora. 



Polyzoanum calcareum, spongiosum, e cellulis urceolatis plus rainusve 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 quincun(5ial, and overlying each 

 other. 



Cellepoba (pars), O. Fab., 1780; Gmelin (pars), 1/89; Esper (pars), 1791; Lamarck 

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

 Reusn (pars), 1847; Hagenow (pars), 18.il ; Michelin, 1847; Johnston. 



Cellepor.\iiia, Lamouroux, 1821 ; D'Orbignij, 1852. 



Spongites, Oken (pars). 



TuBiPORA, Linn. (pars). 



Millep.ora (pars), Pallas ; Solander. 



EscHARA (pars), Pallas; Ellis; Gmelin. 



Madrepoba (pars), Esper. 



Flustra (pars), Solander ; Steioart. 



Reptocelleporaria (sp.), jyOrbigny. 



