12 Mr. W. Thompson on the Fauna of Ireland. 



Littorina saxatilis. Bean, MS. Northern and eastern coasts: common. 



Eulima Donovani, Forbes. ' Mai. Mon.' p. 15. Youghal and Dubhn, 

 R. Ball, Esq. Dredged off Dundrum, co. Down, by Mr. Hynd- 

 man and myself. 



Jeffreysu. Dublin coast, Mr. Ball and Mr. Warren. 



bilineata, Jeff. A Eulima so named by Mr. Jeffreys is in the 



collection of Mr. Warren, who found it at Portmarnock. 



*' Rissoa striatula. Turbo monilis, Turton. M. Malbay, rare." W. 

 H. Harvey, Esq. 

 alba, var. Brown. Youghal, Miss M. Ball. 



Odostomia unidentata, Flem. Youghal, R. Ball, Esq. ; M. Malbay, 

 not rare ; W. H. Harvey, Esq. 



Natica Alderi, Forbes, ' Mai. Mon.' p. 31. Of frequent occurrence 

 in north, east, and south of Ireland, and hitherto passing under 

 the name of N. canrena. 



Marginella valuta. M. Malbay, rare; W. H. Harvey; Macgilligan 

 (co. L. Derry) and Belfast Bay, G. C. Hyndman ; South Islands 

 of Arran, R. Ball. 



Auricula bidentata, Fer. Youghal and Portmarnock, R. Ball. 



** Buccinum ovum. [Turt. ' Zool. Joum.' vol. ii. p. 366. pi. 13. f. 9.J 

 Found in the intestines of a Red Gurnard brought to Cork 

 market." Mr. John Humphreys. 



** Cerithium tubercularis. {Murex tubercularis, Mont.) M. Malbay, 

 common . ' * W . H . Harvey, Esq . 



Cerithium Pennantii, mihi. Turbo tuberculata, Penn. * Brit. Zool.* 

 vol. iv. p. 129. pi. 82. f. 111. Terebra fuscata, Flem. * Brit. 

 Anim.* Cerithium fuscatum, Brown, ' lUust. Conch.' p. 9. pi. 5. 

 f. 67. Of this shell there is a specimen from Youghal in Miss 

 M. Ball's collection, agreeing with the descriptions of Fleming 

 and Brovm, but only tolerably represented in the above-quoted 

 figures. Mr. E. Forbes having informed me that the Turbo tu- 

 berculata of Linn, is a different shell, and that the Cerithium to 

 which Costa applied the name of C. fuscatum is likewise distinct, 

 I have considered it necessary to bestow a new name on the 

 present species. 



•* Fusus gyrinus. Clare and Youghal." R. Ball, Esq. 

 Lamellaria tentaculata, Mont. 'Linn. Trans.' xi. 186. pi. 12. f. 5, 6. 

 Johnston, * Mag. Nat. Hist.' ix. 229. f. 25. In January 1835 

 two small individuals, about 4 lines in length, of this rare species 

 were dredged in Strangford lough by Mr. Hyndman and myself. 

 '• Pecten glaber. Found in the intestines of a Haddock bought in 

 Cork market." Mr. John Humphreys. 



