INDEX 
Jaws, 9 
Jovunna Johnstoni, 83, 123 
Jorunna Johnstoni, Egg-ribbon, 
XXX, 
Jousseaumia, 80 
Kerry Slug. See Geomalacus. 
Keyhole Limpets. See Fissuvella 
and Fissurellidze, 
Labial palps, 30 
Labium, 20 
Labrum, 20 
Lacuna, 63 
Lacuna pallidula, 87 
Lamellaria, 93 
Lamellaria perspicua, 123 
Lamellariide, 69 
Lamellibranchia, 26 
Lambpsilis, 88 
Lanistes, 18 
Lanistes Bolteniana, v. 
Larval forms, 93, 94 
Lass@a, 118 
Lateral teeth, 12 
Leioglossa, 42 
Leiopistha, 49 
Lepeta, 57 
Leptochiton benthus, 55 
Leptoconcha, 81 
Lepton, 80 
Lepton squamosum, 80, xv., xviii. 
Leucochroa, 105 
Libera, 91 
Life, duration of, 74 
Life, tenacity of, 75 
Ligament, 31 
Lima, 55, 122 
Lima cardiiformis, xviii. 
Lima hians, 122 
Lima subauriculata, xviii. 
Limacina antarctica, 61, xxvi. 
Limacina helicina, 61 
Limax, 106 
Limax : mandible, iii. 
Limax avborum, 120 
Limax maximus (Grey Slug), 12, 
X111, 
Limneaa, 10, 52, 53, 65, 90 
151 
Limnea Burnetti, 65 
Limnza Hookeri, 59 
Limnea involuta, 65 
Limnaa palustris, xiii. 
Limnea pevegey, 71, xiii. 
Limnea stagnalis, 114, xiii. 
Limnea stagnalis : mandible, iii. 
Limnaa truncatula, 79, 121, 144 
Limnzide, 58 
Limnzidz on land, 59 
Limopsis aurita, xvii. 
Limpet. See Patella. 
Lines of growth, 5 
Liomesus, 63 
Liomesus Dalei, 90 
Lipocephala, 26 
Lithodomus, 54, 81, 133, 134 
Lithodomus lithophagus, xvii., 
xxxii, 
Lithophagus, 48 
Litiopa, 57 
Littorina (Periwinkle), 12, 53, 54, 
57, 74, 87, 88, 104, 116 
Littorina arboricola, 59 
Littovina littovea (Common Peri- 
winkle), x. 
Littovina muricata, 75 
Littovina obtusata, 87, 123 
Littorinide, 53 
Lobiger, 135 
Lobigey Philippii, xii. 
Locomotion, 114-119 
Loligo, 42, 89, 110 
Loligo Forbesi, xxv. 
Loligo vulgaris, xxi. 
Lorica, 14 
Lucina Pennsylvanica, xviii 
Lutraria oblonga, xix. 
Lyonsia, 63 
Lyonsia Norvegica, xx. 
Macoma, 57 
Macroschisma maxima, ix. 
Mactra, 133 
Maciva stultorum, xviii. 
“' Macgillivraya,’’ 93, 94 
“* Macgillivrayia pelagica,’’ xxvi. 
Magilus, 68, 80, xxviii. 
