172 SPECIFIC 



Jiqiie reddish brown streaks ; cinereous towards the 

 apex ; front of the columella, lip, and lower part 

 of the aperture white, remainder ferruginous 5 um- 

 bilicus chesnut. 



Inhabits Tranquebar and Barbary. 



Fig. 7. N. lit tor alts. 



Shell smooth ; apex carious. 



Lister Conch, tab. 607. fig. 39, 40. 



Specimen yellow; very much resembling a Turbo 

 in the form of the aperture, but a perfect Nerita in 

 every other respect. 



Inhabits the rocky shores of Europe. 



Fig. 8. N. striata. 



Shell thick, striate; spire rather prominent; co- 

 lumellar lip wrinkled, with three teeth, the upper 

 one slightly lobed; margin and throat of the outer 

 lip crenate; two teeth in the anterior prrt of the 

 outer lip. 



Ma'^tyfi's Univers, Conch. 



Specimen pale brown, yellowish green towards 

 the apex ; marked with shaded irregular rays of 



