150 
Fam. XXXI. — Fissurellidj:. 
42. Fissurella reticulata, rare. 
43. Emarginula reticulata. 
Fam. XXXIII. — Trochid^. 
44. Trochus ziziphinus, very rare. 
45. 
striatus. 
46. 
cinerarius. 
47. 
umbilicatus. 
00 
5) 
magus, rare. 
49. Phasianella pullus, common. 
Fam. XXXVII. — Lillorinid^. 
50. Littorina littorea, common. 
51. ,, rudis, ,, 
52. „ littoralis, ,, 
53. Rissoa crenulata, 1 specimen. 
54. 
costata, few. 
55. 
j) 
striata „ 
56. 
j) 
parva, numerous. 
57. 
}} 
labiosa, few. 
58. 
55 
cingillus, few. 
59. 
}) 
ulvae, 1 specimen 
Fam. XXXVIII. — Turritellid^e. 
60. Turritella communis, rare. 
Fam. XXXIX. 
61. Aporrhais pes-pelicani, Holyhead, 1 specimen. 
62. Ceritbium reticulatum, rare. 
Fam. XLI. — Pyramidellid.®:. 
63. Chemnitzia elegantissima, rare. 
„ fenestrata, rare. 
64. Odostomia plicata, rare. 
Fam. XLII. 
65. Natica monilifera, very rare. 
Fam. XLV. — Muricid^e. 
66. Murex erinaceus, not very common. 
67. Purpura lapillus, common. 
68. ISTassa reticulata, not very common. 
69. Buccinum undatum, not common. 
