72 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



FIG. 



46. Littorina rudis, abundant. 



47. Littorina littorea, common. 



48. Lacuna diraricata, S. side of bay, 4 fms. 



49. Rissoa parva, common. 



50. Rissoa cingillus, off Breakwater. 



51. Rissoa striatus, off Breakwater. 



52. Odostomia rufa, off Breakwater. 



53. Natica alder i, off Breakwater. 



54. Lamdlaria pcrspicua, under stones. 



55. Aporrha'is pes-pelicani, across mouth of bay. 



56. Purpura lapillm, abundant. 



57. Buccinum undatum, common. 



58. Murex erinaceus, under stones. 



59. Nassa incrassata, under stones. 



60. Cyprcea europcea, under stones. 



61. Bulla hydatis, off Castles. 



62. Aphjsia punctata, across mouth of bay and N. side. 



63. Archidoris tubcrculata, on rocks and boulders in winter 



and spring. 



64. Jorunna johnstoni, in rock pools. 



65. Lamellidoris proxima, under stones. 

 (S<6. Doris diapltana, under stones, rare. 



67. (Joniodoris castanea, under stones. 



68. Polycera quadrilineata, across mouth of bay. 



69. Anctda cristata, off Breakwater. 



70. Hcrmcea dendritica, in rock pools. 



71. Doto coronata, off Breakwater. 



72. Facelina drummondi, off Breakwater. 



73. Galvina tricolor, off Breakwater. 



74. Galvina cingulata, off Breakwater. 



75. Sepiola atlantica, across mouth of bay. 



76. Eledone cirrosa, occasionally at low spring tides. 



