FIGS. 1-10. Stylocoeniella guentheri (Bassett-Smith) . 1 and 2, Portions of holotype (B.M.N.H. 1889. 9.24.- 
84), 58 m, Macclesfield Bank, X 2, X 6; 3, 4, and 3, corallum and calices, lagoon, 15 m, Gan. L, Addu 
Atoll, X 1, X 10, X 15; 6 and 7, calices, lagoon, 40 m, Eniwetok Atoll, X 4, X 15; 8, calices, lagoon, 4 m, 
Eniwetok, X 10; 9 and 10, portion of corallum and calices, lagoon, 6 m, Gan I., Addu Atoll, X 1, X 10. 
Fig. 11. Stylocoeniella armata (Ehrenberg). Calices (compare with Figs. 5 and 7), 0.5 m, Heron I., Great 
Barrier Reef, X 15. 
