— 198 
Hemicardium Cuv... 
Hemimactra Sow... 
Hemisinus Sw. 
Hetero fusus Flmg... 
Hipponyx Defr. 
Hipp°pus Lmck.... 
Holcostoma H. A. Ad 
Hyalæa Lmck. 
Hxjalidæ . 
Hyalinia Agas. 
Hydatina Schmch... 
Hydrobia Hrtm. 
Hydrobiinæ . 
Hyria Lmck. 
Iphigenia Schmch... 
Isocardia Lmck. 
Isocardiidæ . 
Janthina Boit. 
Janthinæ . 
Jouannetia Desml. 
Kellia Turt. 
Lacuna Turt. 
Ladas Cantr. 
Lævicardium Sow.. 
Lamellaria Mtg. 
Lamellariidæ . 
Lampania Gray. 
Lasea Leach. 
Laseidæ . 
Latirus Mft. 
Lazaria Gray. 
Leda Schmch. 
Ledidæ . 
Ledinæ . 
Leiostraca H. A. Ad. 
Lepeta Gray. 
Leptoconchus Rüpp. 
Leptoxis Rfq. 
Leucochroa Bk. 
Liguus Mft. 
Lima Brug. 
Limacinidæ . 
Limicolaria Schmch. 
Limnæa Lmck. 
Limnæidæ .. 41 
Limnæinæ . 41 
Lingula Brug. 194 
Lingulidæ . 194 
Lioconcha Môrch. 163 
Liotinsç . 128 
Lithasia Hldm. 34 
Lithodomus Cuv. 181 
Lithoglyphus Mhlfd. 36 
Lithophaginæ . 181 
Litiopa Rang. 118 
Littorina Fér. 115 
Littorinidæ . 115 
Livona Gray. 129 
Lophocercidæ . 144 
Lophocercus Krohn. 144 
Loripes Poli.. 174 
LucinaBrug. 173 
Lucinidæ . 173 
Lucinopsis Forb. 159 
Lutraria Lmck. 154 
Lutrariinæ . 154 
Lyonsia Turt. 152 
Machæra Gld. 149 
Macoma Leach. 158 
Mactra Lin. 153 
Mactrella Gray.. 154 
Mactridæ .. .. 153 
Mactrinæ . 153 
Magasinæ . 194 
Magilus Mft. 74 
MaleaVal. 88 
Malleus Lmck. 182 
Margarita Leach. 133 
Margaritana Schmch. 49 
Marginella Lmck. 82 
Marginellidæ . 82 
Martesia Leach. 146 
Megerlia King. 194 
Melania Lmck. 31 
Melaniidæ . 31 
Melanopsis Fér. 33 
Meleagrina Lmck. 182 
Menestho Moller. 94 
171 
154 
33 
57 
125 
173 
118 
55 
55 
4 
141 
36 
36 
52 
160 
172 
172 
57 
57 
146 
175 
117 
57 
171 
89 
89 
114 
175 
175 
78 
178 
187 
187 
187 
96 
138 
74 
31 
5 
26 
190 
57 
26 
41 
