EXPLANATION OF PLATE XLY. 



Pig. 19. — Rhaphidophlus tenehratus, Whitelegge. 



Fig. 20. — Dendoryx fusca, Whitelegge. — See p. 481. 



Fig. 21. — Stylostichon conulosum, Whitelegge. 



Fig. 22. — Paresperella repens, Whitelegge. 



Fig. 23. — Clathria midtipora, Whitelegge. 



Fig. 24. — Dendoryx pumicea^ Whitelegge. — See p. 480. 



Fig. 25. — EchinocJialina reticulata, Whitelegge. 



Fig. 26, — Esperiopsis ferruginea, Whitelegge. — See p. 472. 



Fig. 27. — Clathria striata, Whitelegge. 



Fig. 28. — Allantoj)hora j^Ucata, Whitelegge. 



Fig. 29. — Rhaphidophlus arcuophora, Whitelegge. 



Fig. 30. — Dendoryx pumicea, Whitelegge. 



(All the figures are about one-third natural size.) 



