163 



T. TENUIS, Mont. p. 275. 1. 10. /. 3. Conic-orbicu- 

 lar, thin, very oblique, eight scarcely convex whorls 

 adorned with crowded elevated transverse granular striae, 

 pale usually ornamented with reddish chesnut spots ; 

 base large in proportion, convex, its spiral granular 

 striae usually with distinct chesnut dots, imperforate or 

 all but so, aperture large, angular, the nacre brilliant. 

 n. S, Coasts. 



T. ZIZIPHINUS. Lin. 1231. D. p. 799. Gualt. 

 t. 61. /. C.Mart.f. 1594. List. t. 616. / 1. 

 Knorr. 3. t. 14./ 2. Pen. 4. p. 126. t. 80. /. 103. 

 Da Cos. p. 37. t. 3./. 3,4. Don. t. 52. Mont. p. 

 274. Dor. Cat. p. 48. t. 16. f. 3,4. F. p. 323. 

 Lam. 46. and T. CONULOIDES.? Lam. 47. Conic, 

 the apex acute, whorls seven or eight, flattened, sepa- 

 rated by a smooth circular ridge, obsoletely striated 

 spirally (often with three spiral smaller raised ridges) 

 livid or reddish with broad vvavy longitudinal darker 

 streaks ; the ridges often articulated ; aperture some- 

 what compressed, angulated, inside pearly; base 

 flattish with circular spotless ridges, imperforated. 

 1...8. Common. 



T. EXIGUUS. Mont. p. 277. T. EXASPERATUS. 

 Pen. 4. p. 126, F. p. 323. T. CONULUS. Da Cos. 



