DESCRIPTION. 153 



admitted into the same section. The varices 

 are spined, the shell is longer, narrower, and more 

 flattened; the striae little raised, and but few of 

 them granulate. They resemble each other most 

 in colour. 



Fig. 4. M. Mancinella. 



Shell ovate, with obsolete spines ; transversely 

 striate; aperture toothless. 



Lister Conch. Tab. 957. Fig. 10. 



Specimen yellowish white, with longitudinal 

 brown rays and spinous protuberances ; aperture 

 white, with a tinge of pale orange ; four raised dots 

 on the interior surface of the outer lip. 



Inhabits Asia and Africa. 



Fig. 5. M. Javanus. 



Shell tapering, striate, with one row of oblique 

 knots ; anterior part of the outer lip with an inden- 

 tation. 



Lister Couch. Tab. 915. Fig. 8. 



Specimen cinereous or pale livid, reddish towards 

 the base, immaculate ; beak rather long ; suture 



