inhabiting the seas of Great Britain and Ireland. 343 



Odostomia spiralis, Fl. 310; Macg. 155 ; Dr. Johnston in Trans. 

 Berw. Nat. Club (1841), 273 ; Thorpe, 172 ; Alder, Cat. 52. 



Melania (subg. Eulima) spiralis, Forbes, Mai. Mon. 16. 



Rissoa spiralis, Br. 13. pi. 9. fig. 49. 



Turbonilla spiralis, Lov. 19. 



Young. Odostomia plicatula, Macg. 15G. 



Fry. Helix striata, apertura subovali, anfractibus supra dorsalibusy 

 Walk. 8. fig. 29. 



Helix striata, Mont. 445. 



Salcomb Bay, Devonshire (Mont.). Aberdeen (Macgillivray). 

 Eyemouth, Berw. (Dr. Johnston). Kiristal, Isle of Man (Forbes). 

 Northumberland coast (Alder). Swansea and adjacent bays ; Tenby ; 

 Fishguard ; Whitesand Bay, Cornwall ; Exmouth ; Sandwich; Bantry 

 Bay; Cork Harbour ; Oban ; Lerwick Sound in from five to ten fa- 

 thoms, and five miles east of Lerwick in forty fathoms. West coast 

 of Scotland ; Birtabuy Bay, co. Gal way (Mr. Barlee). 



Fry. Sandwich (Boys). 



Rather a common species. 



It is very difficult to say whether this species or inter stincta 

 was meant to be represented by Walker^s description and figure 

 no. 40. The figure more nearly agrees with this species ; but 

 the slight indication of the species given in the description may 

 apply to either. 



19. Odostomia interstincta. 



Turbo canalicidatus, Adams in Linn. Trans, iii. (1796), 253. 



Turbo inter stinctus, Mont. 324. tab. 12. fig. 10; Turt. 223. 



Voluta interstincta, M. and R. in Linn. Trans, viii. 131 ; Dillw. i. 

 509. 



Odostomia interstincta, Fl. 310; Macg. 155 ; Thorpe, 175 ; Alder, 

 Cat. 52. 



Rissoa Deshayesiana, Recluz in Rev. Zool. 1842, p. 105. 



Pyramis Lamarckii, Br. 15. pi. 9. fig, 39 ? 



Jaminia interstincta, id. 21. pi. 9. fig. 10. 



Jaminia obtusa, id. 22. pi. 9. fig. 38. 



Pyramidella (?) interstincta, Jeff^r. in Ann. Nat. Hist. 1841, p. 165. 



Linny Bay, Pembrokeshire (Adams). Bigberry Bay, Devonshire 

 (Mont.). Aberdeen (Macgillivray). Tyneraouth and CuUercoats 

 (Alder). Whitburn (Mr. Richard Howse). Swansea coast ; Tenby; 

 Sandwich ; Scarborough ; Cork ; Dublin Bay ; Oban. West coast of 

 Scotland; Birtabuy Bay, Galway ; Guernsey (Mr. Barlee). 



Var. a. angustior et plus cylindrica. 



Odostomia oblonga, Macg. 157. 



" Odostomia costata, Bean MSS.," Alder, Cat. 52. 



Aberdeen (Macgillivray) . Scarborough (Bean). Exmouth ; Fal- 

 mouth ; Whitesand Bay, Cornwall ; Tenby ; Oban ; Lochs Kishorn 

 and Broom, Ross- shire ; Lerwick Sound in five fathoms ; Bantry Bay. 

 West coast of Scotland (Mr. Barlee). 



