PLATE I. 



LIASSIC CORALS FROM STREET AND BROCASTLE. 



Fig. 



1. Septastrcea Haimei, Wright, sp. (P. 5.) 



i. The base of the coralluni. 



3. Calices, magnified. 



4. Fissiparous calice, magnified. 



5. Septa, magnified. 



6. Septastrcea excavata, E. de From. (P. 32.) A calice, magnified. 



7. The usual appearance of longitudinal sections in the Brocastle beds, magnified. 



