628 



Eeport of the State Geologist. 



structure very much as in Suloopoea, the difference being of 

 small importance and due to zoarial habit." 



Fig. 80. Eury dicta montif era. A portion of the frond, natural size. 



Fig. 81. Surface enlarged. 



Fig. 82. A transverse section of the cells enlarged. 



EuspiLOPORA, Ulrich. 

 (Geol. Sur. 111., Vol. YIII, p. 389. 1890.) 

 Type, JEuspilopora serrata, Ulrich. 



(See Plate 10, fig. 20.) 

 " Zoariutn consisting of small, flattened, irregularly dividing 

 branches; zooecial apertures subcircular or elliptical; arranged in 

 four or more rows over the central portion of the branches, 

 between slightly elevated longitudinal ridges, having numerous 

 small nodes. At brief intervals, occurring alternately on each 

 side of the branch, there are several short rows of apertures, 

 directed obliquely upward and outward from the central rows, 



