66 



The shells assembled under the title of Bullia by Mr. Gray, are deserv- 

 iiig of generic distinction, not only on account of their peculiar affinity of 

 form and colour, but because of the curious expanded structure of the 

 animal-disc, as represented by M. M. Quoy and Gaimard in their figure of 

 the Buccinum lavissimum of Lamarck.* The Buccinum cochlidium of 

 Chemnitz is the largest and most conspicuous of the group, whilst the 

 B. annulatum of Lamarck, is characteristic of the Terebra-like portion of 

 the species. 



Mr. Gray notices in his observations on this genusf, that the Bullia "are 

 found crawling on the sand in bays ; they generally remain at the bottom 

 of the water, and are easily caught alive with a bit of meat tied at the end 

 of a string, as they immediately attach themselves to it. " 



In confirmation of the importance of this genus, it only remains to notice 

 that M. Deshayes proposes to remove those species hitherto arranged under 

 the head of Buccinum, to a place amongst the Nassee, to winch they are 

 apparently still more remotely allied. 



1. achatina. 



2. annulata. 



3. armata. 



4. cochlidium. 



5. globulosa. 



6. granulosa. 



Species\. 



7. hastata. 



8. laevigata. 



9. lsevis. 



10. lsevissima. 



11. lineolata. 



12. Mauri tiana. 



13. Pay tense. 



14. polita. 



15. semiplicata. 



16. terebralis. 



17. turrita. 



18. vittata. 



Genus 10. PHOS, De Montford. 



Animal; disc oblong, expanded, carrying a small horny oper- 



cidum, head small, tentacles high up, very long, slender, eyes 



situated at the tips of the tentacles. 

 Shell ; oblong, mostly acuminated, and longitudinally ribbed, outer 



lip notched toioards the base; columella somewhat obsoletely 



one-plaited. 



The Buccinum senticosum Linnseus, Cancettaria senticosa Lamarck, was 

 figured by De Montford in his ' Conchy liologie Systematique ' as the type of 

 a new genus, under the laconic title of Phos ; and it is one of the few 

 genera introduced by that author, the propriety of which has been con- 

 firmed by subsequent discoveries. The species above referred to, is not, 



* Voyage de 1' Astrolabe. f Zoology of Beechey's Voyage. 



J A monograph of this genus will shortly appear in the ' Conchologia Iconica '; I can give 

 but an undigested list of species at present, and refrain from attaching any authorities. 



