PLATE XVII. 



Fig. 1. Trochus (Ziziphinus) stephanophorus, n. sp. 



a. The natural size. 



b. The shell, enlarged. 



Fig. 2. Trochus (Ziziphinus) tinctus, n. sp. 



a. The natural size. 



b. The shell, enlarged. 



Fig. 3. Trochus (Margarita) illotus, n. sp. 



a. The natural size. 



b. The shell, enlarged. 



c. The sculpture, magnified 8 diameters. 



c. The sculpture, magnified 30 diameters. 



c. The sculpture, magnified 10 diameters. 



Fig. 4. Trochus (Margarita) streptophorus, n. sp. 



a. The natural size. 



b. The shell, enlarged. 



c The sculpture, magnified 15 diameters. 



Fig. 5. Murex (Pseudomurex) aedonius, u. sp. 



a. The natural size. 



b. The shell, enlarged. 



Fig. 6. Nassa dissimilis, n. sp. 

 a. The natural size. 



Fio-. 7. Ftisus valedictus, n. sp. 



c. The sculpture, magnified 20 diameters. 



b. The shell, enlarged. 



Fig. 8. Fusus (Siphonorbis) amblyterus, n. sp. 



a. The natural size of 



b. A fragment of the shell. 



Fig. 9. Phos smithi, n. sp. 

 a. The natural size. 



Fig. 10. Ancilla (Anaulax) nana, n. sp. 

 a. The natural size. 



Fig. 11. Oocorys sidcata, Fischer . 



a. The natural size. 



b. The shell, enlarged. 



c. The apex, magnified 10 diameters. 



b. The shell, enlarged. 



b. The shell, enlarged. 



c. The sculpture, magnified 15 diameters. 



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201 

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221 

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