EXPLANATION OF PLATE 10 

 All figures natural size 

 Fig. 1. Chione elsmerensis English. Interior view of right valve. 

 Fig. 2a. Astralium arnoldi, n. sp. Upright view of imperfect specimen. 

 Fig. 2b. Astralium arnoldi, n. sp. Basal view. 

 Fig. 3. Chrysodomus coaling ensis, n. sp. Back view. 

 Fig. 4a. Natica (Neverita) orbicularis, n. sp. Back view. 

 Fig. ib. Natica (Neverita) orbicularis, n. sp. Basal view. 

 Fig. 5a. Fissuridea subelliptica, n. sp. View from above. 

 Fig. 5b. Fissuridea subelliptica, n. sp. View in profile. 



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