PLATE XVI. 



Fig. 1. Terebra mamillata, u. sp. 



a. The natural size. 

 h. The shell, enlarged. 



c. The apex, magnified 15 diameters. 



d. The sculpture, magnified. 



PAGE 



381 



Fig. 2. Marginella {Glabella) -alta, u. sp. 

 a. The natural size. 



Fig. 3. Marginella (Glabella) valida, u. sp. 



a. The natural size. 



b. The shell, enlarged. 



b. The shell, enlarged 



, ^"i»i i. 



c. The natural size of 



d. The young shell, enlarged. 



268 



267 



Fig. 4. Marginella (Glabella) brachia, n. sp. 



a. The natural size. 

 6. The shell, enlarged. 



c. The natural size of 



d. The young shell, enlarged. 



268 



Fig. 5. Marginella (Glabella) pachia, n. sp. 



a. The natural size. I b. The shell, enlarged. 



265 



Fig. 6. Marginella (Granula) agger, n. sp. 



a. The natural size. 



b. The shell, enlarged. 



c . The natural size of 



d. The young shell, enlarged. 



271 



Fig. 7. Marginella (Glabella) elata, n. sp. 



a. The natural size. j b. The shell, enlarged. 



269 



Fig. 8. Marginella (Glabella) chrysea, n. sp. 



a. The natural size. 



b. The shell, enlarged. 



267 



Fig. 9. Marginella (Glabella) agapeta, n. sp. 



266 



a. The natural size. 



b. The shell, enlarged. 



