156 SPECIFIC 



with transverse striae of raised dots ; columellar 

 margin obtuse. 



Lister Conch. Tab. 30. Fig. 28. 



Specimen purplish blue ; 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 Conch. Tab. 6. Fig. D. 



Specimen yellowish and greenish white, irregu- 

 larly rayed with 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. Anguis. 



Shell umbilicate, with transverse rounded striae. 

 Martyn's Univers. Conch. 2. Tab. 70. 

 Specimen white, with dark green and blackish 

 waved and angular marks ; apex yellow ; within 



