INDEX. 



317 



rugosus, Linn., 21, f. 27, 28, 29. 

 Saigonensis, Crosse el Fisc. 31, f. 



45. 

 saxulum, Rve. 26, f. 110. 

 scalpellum, Gray, 4, f. 9. 

 seortum, Linn., 1, f. 1, 2, 3. 

 semistriatus, Foli, see. anatiuum, f. 



70. 

 semisulcatus, Hani., 10, f. 22. 

 serralus, — ?, unidentified. 

 serra, Chemn., 51, f. 87. 

 sexradiatns, Wood, see insequalis, 



f. 58-60. 

 sordidus, Rve., semisulcata, f. 22. 

 spiculum,.ffi»e., 64, f.llfi (Pl.III.) 

 spinosus, Chemn. 8, f. 19. 



striatus, Linn., 25, f. 52. 

 sulcarius; Desh., radians, f. 95. 

 Ticaonicus, Hani., 38, f. 96. 

 transversus, Sowb., 6, f. 11. 



Irifascial/is, live., abbreviate, i'. 



106, 107. 

 trunculus, Linn., 55, f. 68, 69, 73, 



74. 

 variabilis, Say, 21, f. 37, 38, 39. 

 variegattis, Eve., polita, young, f. 



84, 85. 

 v.'lliratus, live, 53, f. 61, 62, 63. 

 venusta, Foli, trunculus, f. 58-60, 



young. 

 villains, Lnmk., radians, f. 95. 



VOL. III. 



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