(F.YLON PEARL OYSTER REPORT 



SPONGES PLATE X. 



.excFig.5 



Figs. 1, 2. Pachychai ixa subcylindrica, Q.sp.; Fn;. 3, Chalina clathrata, n.sp.; Fig. 4, Ceraochalina 



RETIARMATA, n.Sp. J FlG. 5, CHALINA 3DBABMIGERA (Ridley); Flu. (i, CERAOCHALINA CEYLOXICA, n.sp. J 



Fig. 7, Pachtchalina brevispiculifera, n.sp.; Fig. 8, Ceraochalina ketkttis, n.sp.; Fig. 9, Chalina 



OBTUbISPK'i LIFERA. n.sp.: Flu. 10, TrACHYOPSIS HALICHOXDRIOIDES, n.sp. 



