334 
Hippagus acuticostatus - 
yerticordius 
Hypogea 
Hyridella 
Iphigenia 
Tridea 
Trus 
Tsoarca 
Isocardia cor . 
crassa 
Sraterna 
globulosa 
Hibernica 
lunulata 
Markoet 
rustica 
ventricosa 
Teartia 
Janira 
Jatronus 
Kellia ambigua 
coarctata 
cycladia 
deltoidea 
dubia 
elliptica 
flexuosa 
lactea . 
nitida . 
orbicularis 
pumila. 
rubra 
suborbicularis 
Lacinia 
Lamellibranchiata 
Lampsilis 
Lamproscapha 
Lanistes 
Lanistina 
Lasea 
Lasmonos 
Lasmigona 
INDEX. 
Lastena 
Latona 
Laturnula 
Lavignon 
Lazarus 
Leda arctica . 
caudata . 
lanceolata 
minuta . 
myalis 
oblonga . 
pernula . 
pygmea 
rostrata 
semistriata 
Thracizeformis 
truncata 
Lembulus 
Lentidium 
Leptodea 
Lepton deltoideum 
depressum 
nitidum 
squamosum 
Ligula alba 
Boystt 
donaciformis 
prismatica 
Ligumia 
Lima aperta . 
bullata . 
elongata 
exilis 
fragilis . 
hians 
inflata . 
Loscombii 
oblonga 
ovata 
plicatula 
subauriculata 
suleata . 
suleulus 
tenera . 
vitrina . 
Limatula 
Limicola carnaria 
PAGE 
101 
218 
263 
235 
161 
88 
92 
88 
92 
90 
88 
93 
95 
93 
91 
96 
94 
87 
273 
97 
115 
116 
116 
114 
237 
237 
239 
239 
97 
44 
44 
47 
43 
44 
44 
44 
45 
44 
48 
46 
47 
47 
47 
44 
44 
42 
231 
