Class VI. NERITA. 



NERITE. 





'i 



Gm. Lin. 3672. 



N. nitida. Mont. Test. 



3. 



MAMM1 



Lin. Tr. viii. 225. 



Br. Sup. 149. 





LA. 



* N. with an umbilicated ovate smooth shell; 

 umbilicus covered ; aperture ovate ; size of the 

 end of a thumb. 

 Coast of Caithness. 



Lin. Syst. 1253. No. 723. 



Faun. Suec. No. 2194. 



4. FLUVIA- 



Gm. Lin. 3676. 



Lin. Tr. viii. 225. 



TILIS. 



List. Angl. tab. ii. Jig. 20. 



Mont. Test. Br. 470. 



•j river. 



Conch, tab. 141. Jig. 38. 







N. with only two spires ; brittle, dusky, mark- 

 ed with white spots ; not half the size of a pea. 

 Inhabits still rivers and standing waters. 

 Tab. xc. Jig. 2. 



Lin. Tr. viii. 226. Mont. Test. Br. 468. 5. palli- 



DULA. 



* N. with an umbilicated smooth shell ; umbi- 

 licus deep, and lengthened ; size of a pea. 

 Kentish, Western coast and Shetland, 



