36 The Irish Natutalist. January, 



In the following list the nomenclature adopted is that of 

 Jeffreys' " British Conchology" ; the general sequence and the 

 names of the classes and orders are taken from Cook's 

 " Mollusca," vol. iii. of the Cambridge Natural History ; the 

 initials, " H.J. B.-W ," denote species collected and determined 

 by Mr. Wollaston, and " G. W. C." those verified by Dr. G. W. 

 Chaster. 



GASTEROPODA. 



AIYIPHINEURA. 



Chiton marginatus. Pennant.— Frequent at Talbot's Bay and N. of 



harbour. 

 [C. ruber, Lowe.— Lainbay Island : Thompson MS, ,] 



PROSOBRANCHIATA, 



Tectura tcstudinalis, (Miiller).— One living at Talbot's Bay and 

 another at Carrickdorrish ; one dead in harbour. 



T, virginea (Miiller). — Talbot's Bay; harbour; Carrickdorrish; not 

 infrequent. 



Patella vulgrata, Linne. — Common all round the coast. 



Helcion pellucldum (Linne). 1 Both frequent, living at Talbofs Bay, 

 var. Iaevis, Pennant. / &c, and dead in harbour shell-sand. 



Fissure I !a greeca. (Linne).— Two broken specimens, Talbot's Bay, and 

 a third in harbour. 



Emarginula fissura (Linne).— One living at Carrickdorrish ; frag- 

 ments at Talbot's Bay and in harbour sand. 



Cyclostrema serpuloides (Montagu). — Six specimens in harbour 



sand, July, 1906. 



Trochus cinerarius, Linne.) _. .. , t 



r Common all round the coast. 

 T. umbllicatus, Montagu. > 



Trochus heliclnus, Fabricius.— Frequent, living in Talbot's Bay and 

 at Carrickdorrish, and dead in harbour sand. 



T. millegranus, Phillipi.— One specimen, immature, in harbour. 



T. zlzyphlnus, Linne.— Frequent, living, Talbot's Bay and Carrick- 

 dorrish. 



Phasianella pullus (Linne).— Occasional, living, Talbot's Bay and 

 Carrickdorrish ; frequent, dead, in harbour. 



Velutlna laevigata (Pennant).— Not infrequent in harbour sand. 



Llttorlnaobtusata(Linn^M Common everywhere> both living and 



L. rudis (Maton). - dead. 



L. littorea (Linne). * 



Lacuna dlvarlcata (Fabricius).— Frequent in harbour sand ; one living 



at Carrickdorrish. 



