39 6 



ACCOUNT OF 



GYPRiEA. 



should be all erased from 

 the British catalogue as 

 species, and arctica should 

 alone stand, as the variety 

 without spots of Europcea. 



N. B. A specimen of 

 Voluta Jonensis is now 

 in my cabinet, from 

 the Portland Collection; 

 and it is well known. 

 Pennant figured his shell 

 from this collection. 



BULLA. 



Animal a Limax. Shell univalve, convolute, un- 

 armed with teeth. Aperture a little straitened, 

 oblong, longitudinal, very entire at the base. 

 Pillar oblique, smooth. 



12 ampulla. I\ M. A young specilhen of this 



shell was discovered by 

 me near Dunbar. 



2. aperta. D. M. Dunbar, not uncommon. 



3. catena. M. The same as last. 



4. fiexilis *. M. A new species, and very 



rare. Only two speci- 

 mens ever occurred, from 

 Tyningham bands, near 

 Dunbar } after a heavy 

 storm. 



* Tab. viii. fig. 6. 



i 



