106 , HI. DIST. CHAR. Prototype. 



82. Scapal (scapale) having the form of a 

 scape, or a stem bearing the fructification and 

 not the leaves Perhaps, never found fossil. 



e.) Surface (superficies) in foliaceous and sub/oliaceous stirps 



(v. inf.) is distinguished as 



upper (super/, s. pagina superior) or the surface in which the 



apertures are placed; as in Madrepora cinerascens, T. 



43. Flustra bombycina, T. 4. f. b. Ellis. and 



under (super/, s. pagina inferior) or the surface destitute of 



apertures i as in Madrepora ampliata, T. 41. cucullata, 



T. 42. Ellis When both sides of a. foliaceous stirp have 



cells, the above distinction, of course, cannot take placeas 

 in Madrepora inter stincta, T. 56. &c. Ellis. 

 Margin (mar go) the edge ofa/oliaceousor sub/oliaceous stirp, 

 the line which separates the upper from the under sur/ace; 

 as in Madrepora cucullata t T. 42. Ellis. &c. 

 Ambulacra (ambulacra) the elevated and, more or less, flexu- 

 ous parts of the surface, which wind between the apertures 

 in the Madrepores conglomerate et concatenate as in Ma- 

 drepora phrygina, Ell. Z. T. 48. f. 2. Madr. mcandrites* 

 T. 48. f. 1. &c., &c. 

 Interstice (inter stilium) 



of the surface. In common fulciments, the space 



between the margins of the aper- 

 tures when not elevated into am- 

 bulacra. 



/.) of the interior 7 - the spacft 



parts of the mass, j between the walls of the cells. 

 Cells (cellule) the holes or cavities of the stirp, in which the 

 zoophytes reside. 



a. The parts of the Cell. 



a.) Walls or Partitions (parietes) the parts which immediately form 

 or define the lateral limits of the cells. In 



