TAB, X. 
CORALS FROM THE UPPER GREENSAND. 
PrprLosMIL1A AUSTENI (p. 57). 
Fig. 1. Restored figure of the corallum; natural size. 
la. Calice; natural size. 
14. A broken specimen, showing part of the epitheca, the columella, and the 
structure of the septa. 
TROCHOSMILIA TUBEROSA (p. 58). 
Fi Side view of the corallum ; natural size. 
9 
2. 
2a. Calice, magnified. 
PARASTREA STRICTA (p. 59). 
Fig. 3. A mass of this compound corallum ; natural size. 
3a. Portion of the calicular surface, magnified. 
MicRABACIA CORONULA (p. 60), 
Fig. 4. Calicular surface ; natural size. 
4a. Side view, magnified 
4b. Calice, magnified. 
4c. Mural disc, magnified. 
CORALS FROM THE LOWER GREENSAND. 
HoLocystIs ELEGANS (p. 70). 
Fig. 5. A globose mass of this compound corallum ; natural size. 
5a. Portion of the calicular surface, magnified. 
5b. Vertical section, magnified, of the visceral chambers in which the septa have 
been partly cut away, in order to show the tabular arrangement of the 
dissepiments. 
