PLATE V. 



PAGE 



Fig. 1. Trochus (Margarita) rhina, n. sp. . . . • .80 



a. The natural size. 



b. The sculpture, enlarged. 



c. The shell, enlarged 



d. The shell, back view (the exceptionally fine 



specimen referred to at p. 81). 



e. The same, natural size. 

 /. A high and narrow form. 

 g. Natural size of the same. 



Fig. 2. Trochus (Margarita) scintillans, n. sp. . . . .91 



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



Fig. 3. Trochus (Margarita) dnophorus, n. sp. . . . . .90 



a. The natural size. I c. The sculpture, enlarged. 



b. The shell, enlarged. 



Fig. 4. Trochus (Margarita) rhysus, n. sp. . . . • .83 



a. The natural size. 

 6. The shell, enlarged. 



e. The sculpture, enlarged. 



Fig. 5. Trochus (Margarita) infundibulum, n. sp. . . . .84 



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



Fig. 6. Trochus (Margarita) charopus, n. sp. . . . .78 



a. The operculum. 



b. The shell, natural size, var. eceruleus, Wats. 



c. The shell, natural size. 



Fig. 7. Trochus (Margarita) brychius, n. sp. . '. . .77 



a. The shell, natural size. | b. The sculpture, enlarged. 



Fig. 8. Trochus (Margarita) clavatus, n. sp. . . . .82 



a. The natural size. I ft The sculpture, enlarged. 



b. The shell, enlarged. 



Fig. 9. Trochus (Margarita) pompholugotus, n. sp. . . . . 79 



a. The natural size. 



b. The shell, enlarged. 



c. The sculpture, enlarged. 



Fig. 10. Trochus (Margarita) mglees, n. sp. . . . . .81 



a. The natural size. 



b. The shell, enlarged. 



c. The sculpture, enlarged. 



Fig. 11. Trochus (Margarita) pachy 'chiles, n. sp. . . . . .87 



a. The shell, enlarged. 

 h The sculpture, enlarged. 



c. The natural size. 



Fig. 12. Trochus (Margarita) azorcnsis, n. sp. . . . .88 



a. The natural size. 



b. The shell, enlarged. 



c. The sculpture, enlarged. 



