Plate IV. 



Pago 



Fig. 1. Solenopora sp., tangential section, X 56 . . 9 



Pig. -2. longitudinal section, X 16 'J 



Fig. 34. ParaUelopora facositiformis nov. gen. & sp., tangential and longi- 

 tudinal sections, X2 13 



Fig. ">-6. Facosites forbesi E and H. var. eifelensis NICH., tangential and longi- 

 tudinal sections, X2 H 



Fig. 7. Cladopora rectilineata SIMPS, on a slab, nat. size 14 



