PLATE XXII. 



Kgure 1. Latim^eandea parvtjla, Dimcan. CaliceSj magnified. 

 1*. Part of the corallunij natural size. 



2. EcHiNOPORA MiocENiCA, Duncan. Upper surface of a ■vrorn coraUum, natural size. 



3. PrionastRjEA Gajensis, Duncan. The corallunij natural size. 



4. D'AcHiAKDiA LOBATAj Duncan. Upper surface of corallunij natural size. 



5. A calicCj magnified. 



6. PoRiTEs GtajensiSj Duncan. The corallum, natural size. 



7. A calicCj magnified. 



8. Leptomttssa rxjgosAj Duncan. The corallumj natural size. 



