8o Praeger — The Marine Shells 



CLASS SOLENOCONCHIA. 



Dentalium entalis, Zinne. 



"On most parts of the Irish coast" — Thompson. The curious "tooth- 

 shell" lives in some profusion on the Antrim and Down coasts, on sand and 

 mud, in depths varying from 5 fathoms in Belfast Lough to 90 fathoms at the 

 Maiden Eocks. 



CLASS GASTEROPODA. 



OEDER CYOLOBRANCHIATA. 



Chiton fascicularis, Zinne. 



"Generally distributed "—Thompson. Living in Strangford Lough — 

 Dickie, and Mr. S. A. Stewart. 

 var. gracilis. " Lough Strangford (Adair). A specimen from the last- 

 mentioned locality measures nearly an inch and a half in length, while the 

 largest that I have of the typical form (from Unst), is scarcely an inch long " 

 — Jeffreys. 

 Chiton Hanleyi, Bean. 



"A fine living specimen on a shell, and one on a stone, in 80 fathoms " — 

 Hyndman, 1859 Eeport. 

 Chiton cancellatus (Zeach ?), G. B. Sowerby, Jun. 



u Among oysters from Killinchy, Down, Templeton MSS. Found hy Mr. 

 Hyndman and myself in different localities on the North-East coast" — 

 ■ Thompson {sub C. albus, Mont.). Belfast Lough — Belf. Mus. Coll. "Liv- 

 ing ; not uncommon in deep water" — Hyndman. 

 Chiton cinereus, Zinne. 



"On most parts of the Irish coast" — Thompson. Frequent, living in 

 15-70 fathoms — Hyndman ; and commonly in Strangford Lough, 4-20 

 fathoms — Dickie (sub C. asellus). Carrickfergus — Mr. Swanston. 

 Chiton albus, Zinne. 



"North coast of Ireland" — Thompson. "Strangford Lough" — Mr. S. 

 A. Stewart. Belfast Lough— Belf. Mus. Coll. 



