EXPLANATION OF PLATE XX. 



STOMATOPORA REGULARIS Gabb, ......................... ! .............. p .313 



1-2. Two colonies growing upon Onychocclla digitata (Mort.), 



(X2). 



3. A similar colony, (x8). 



Vincentown limesand; Vincentown, (154}. 



STOMATOPORA KUMMELI n. sp. Ulrich and Bassler, ..................... p. 314 



4. The type specimen, (x2). 



Vincentown limesand, Vincentown, (.154). 



STOMATOPORA TEMNICHORDA Ulrich and Bassler n. sp., ................. p. 314 



5. Drawing of the type specimen, (x24). 



6. The same, (x4o). 



Vincentown limesand; Vincentown, 



BERENICEA AMERICANA Ulrich and Bassler n. sp., .......... . ........... p. 315 



7. The type specimen, (x8). 



Vincentown limesand; Vincentown, (154). 



920 



