156 SPECIFIC 



with transverse stria.' of raised dots ; columellar 

 margin obtuse. 



Lister Conch, tab. 30. fig. 28. 



Specimen purplish bhie; aperture brown; whorls 

 distant. 



Inhabits Europe, South America, and Africa. 



Fig. 5. T. Chrysostomus. 



Shell subovate, rough, whorls surrounded with 

 two rows of small arched spines. 



D' Argenville Co7ic/i. tab. 6. fig. D. 



Specimen yellowish and greenish white, irregu- 

 larly rayed witli brown ; a row of angular brown 

 spots between the rows of spines : columella and 

 margin of the aperture white and pearly, within 

 golden ; whorls distant, transversely and longitu- 

 dinally striate. 



Inhabits India. 



Fig. 6. T. Unguis. 



Shell umbilicate, with transverse rounded striae. 

 Marlyiis Univers. Condi. 2. tab. 70. 

 Specimen white, wiili dark green and blackish 

 waved and angular marks j apex yellow; within 



