CEYLON PKAHI. OYSTER k'KPoKT 



SPONGES PLATE VII. 



V 



V * 



V 



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Afll? 





t'CS 



*%;- 





- 



Fig. 1, Siphoxochalina communis, var. tenuispiculata, n. ; Fig. 2, Ceraochalina multiformis, 



var. manaarensis, Dendy; Fig. 3, Ceraochalina ceylonica, n.sp.; Fig. 4, Pachychalina spinilamella, 

 Dendy; Fig. 5, Gelliodes carnosa, Dendy; Fig. 6, Collocaltpta digitata, d 



