594 Report of the State Geologist. ' 



Sphragiopoka, Ulrich. 



(Geol. Sur. 111., Yol. YIII, p. 398. 1890.) 



Type, Sjphragiojpora jparasitica, Ulrich. 



Zoarium a small discoidal body attached to other objects; 

 upper surface flat or a little concave ; cell apertures disposed in 

 an irregularly radial manner from the center, on the summits of 

 from six to nine more or less elevated ridges ; at first they form 

 only single rows, but at the outer margin the arrangement is 

 biserial. 



196 



Fig. 196. Sphragiopora parasitica . A frond, xl8. 



Family Tubuliporidae, Busk. 



The forms included in this family are composed of simple 

 cylindrical tubes, with inoperculated aperture. The following 

 genera are included in the family : Berenicea, Diastoporina, 

 Hernodia, Proboscina, Sagenella and Stomatopora. 



Berenicea, Lamoureux. 



(Exp. Meth. des genres d. poL, 80. 1821.) 



Type, Berenicea diluviana. Lamoureaux. 



'' Incrusting, composed of a very thin f oliaceous base, from 

 which proceed, gradually enlarging, distantly separated tubular 

 cells ; apertures circular or oval, situated near the broad anterior 

 end ; cells disposed in an obscurely radiate arrangement." Bere- 



