GASTEROPODA. 
327 
P. Trevellyona , Turt. As the last. 
P. Farrani, Thompson. 
Of this shell, handsome both in form and colour, two specimens were 
obtained by Dr. Farran on the Irish coast, he thinks at Portmarnock. 
Galway, Mr. Barlee. 
P. brochystoma , Philippi. 
This species was found in Bantry Bay in the summer of 1844 and 1845 
by Mr. Barlee. 
P. Ulideana, Thompson. 
Round the Irish coasts, but rare. 
P. Icevigata, Philippi. 
Mr. Alder writes to me as follows, in Oct., 1846 : — “ I have two specimens 
of what I take to be Pleur. Icevigata , Phil., from Dr. Farran, who got them 
in Connemara. This shell I have had undetermined in my cabinet for 
some time, as Mr. Clark gave me worn specimens several years ago. 
P. teres, Forb. 
One dead specimen was dredged from about 14 fathoms in Birterbuy 
Bay, County of Galway, in the summer of 1845, by Mr. Barlee. 
Genus Trichotropis. 
T. borealis, Brod. and Sow. 
A specimen was found among a quantity of old and worn bivalve shells, 
dredged from 25 to 35 fathoms, outside the entrance of Belfast Bay, in 
July, 1848, and sent to me by Mr. Hyndman. Mr. Barlee obtained the 
species in the summer of this year on the coast of Galway. 
Genus Triton. 
T. erinaceus, Penn. 
Of general occurrence. 
T. elegans, Thompson. 
Shell turreted, somewhat ventricose, about 8 volutions, numerous pro- 
minent ribs, crossed by fine raised spiral strise. 
Colour greenish white, with two double spiral lines of yellow, one series 
above the top of aperture, the other rather below it. 
This species is more handsomely formed, sculptured, and coloured than 
Triton erinaceus ; its canal is much shorter. 
I have seen only a single specimen, which was found alive at Portmar- 
nock, on the Dublin coast, by Dr. Farran. 
Genus Aporrhais. 
A. pes-pelecani, Linn. 
Of general occurrence. 
Family Involute. 
Genus Cypr^ea. 
Cl Furopcea, Mont. 
Generally distributed. 
