TAB. XXVI. 
CORALS FROM THE INFERIOR OOLITE. 
TrocnocyaTHus MaGNEVILLIANUS (p. 126). 
Fig. 1. Side view; natural size. 
la. Basal surface of the same. 
14. Calice restored and magnified. 
MonrLIVALTIA TROCHOIDES (p, 129). 
Fig. 2. Side view of a regularly-developed specimen ; natural size. 
2a, Calice, natural size; the edge of the septa is worn so as to appear entire. 
3. An elongate variety of the same species ; natural size. 
3a. Calice, natural size; the septa are well preserved, and show the denticulations 
of their upper edge. 
. A short and broad variety of the same species. 
10. A variety with an irregular form. 
Montiivantia DeLaBecuit (p. 132). 
Fig. 5. Side view; natural size. 
5a. Inferior surface of the same. 
5d. Calicular surface of the same. 
6. A young individual, belonging, probably, to the same species. 
MontLIVALTIA LENS (p. 133). 
Fig. 7. Side view; natural size. 
7a. Calicular surface of the same. 
7b. Inferior surface of the same. 
7c. Calicular surface magnified. 
8. A variety with thinner septa. 
MonrLiIvALTIA CUPULIFORMIS (p. 132). 
Fig. 9. Young individuals, belonging, probably, to this species. 
MontTLIVALTIA TENUILAMELLOSA (p. 130). 
Fig. 11. Side view ; natural size. 
lla. Calice of the same. 
MontitvaLtiA Wricutt (p. 131). 
Fig. 12. A specimen much weather-worn ; natural size. 
12a. Calice of the same. 
