EXPLANATION OF PLATES. 



PLATE, 60. PAGE 



CYSTIPHYLLUM VESICULOSUM. Phillips. 202 



FIGS . 1, 2 — Lateral views of two different specimens. 



CYSTIPHYLLUM GEMMIFERUM, N. Sp. 202 



FIGS. 3, 4, 5 — Ventral views of three different examples, exhibiting 

 the elevated margins where in contact. 



CYSTIPHYLLUM CONSPICUUM, N. Sp. 203 



FIG. 6 — Calix view of a small corallum, exhibiting the calicular bud- 

 ding. 



FIG. 7 — View of the calix of another specimen showing two calicular 

 buds. 



FIG . 8 — Basal view of another example showing three lateral buds. 



