PLATE XI. 
A^do 2 ')hyllum Davidis, Eth. fil. ... 
Fig. 1. Corallum, side view. 
Fig. 2. Transverse section, showing the three areas of subdivision, x -J. 
Fig. 3. Portion of longitudinal or vertical section. 
Zaphrentis ? sumphuens, Eth. til. ... 
Fig. 4. Coi’allum, ventral view, x J-. 
Fig. 5. Transverse section immediately below the calice, x 2. 
Fig. G. Transverse section at a lower level still, x 2. 
Fig.s. 1-3, from Binge Berry, Bouchel Bi’ook. 
4-6, „ Somerton. 
