CEYLON PKANI. OYSTER UK PORT 



SPONGES PI-ATE XV 



em 



4 . : Cambridge 



Figs. 1, 2, Darwi.nella simplex, Tops.; Fig. 3, Megalopastas pulvillus, n.sp.j 



Fig. 4, Megalopastas elegans (Lend.); Figs. 58, Megalopastas nigra (Dendy). 



