PLATE XXVIII. 
Tryplasma (?) Murrayi, Eth. jil. 
Fig. 1. A bunch of corallites, showing the general features of the species. 
Fig. 2. Portion of a calico, exhibiting septal spines. 
Fig. 3. Transverse section of part of a corallite, prepared for the microscope, displaying septal 
spines and dissepimental tissue. 
Fig. 4. Natural longitudinal section of part of a corallite, showing septal spines on the right-hand 
side. 
Fig. 5. Portion of the weathered surface of a corallite, with dissepimental tissue. 
Fig. 6. Natural fractured and weathered oblique section of the peripheral area, with dissepimen 
tissue. 
Fig. 7. A portion of the section represented in Fig. 3, highly magnified. 
