Lamellibranchiata, 64. 
Lascea, xxix., 73 
rubra, 73. 
Leda, xxviii., 65. 
minuta, 65. 
Lepetidee, xxiii. 
Lepeta, xxiii. 
ceca, xxiii, 
Lepidopleuride, xxiv. 
Lepidopleura, xxiv. 
cajetanus, xxiv. 
cancellatus, xxiv. 
cinereus, xxiv. 
scabridus, xxiv. 
onyx, xxiv. 
Lepton, xxix. 
larkie, 74. 
nitidum, 74. 
var. convexa, 74, 
squamosum, 73. 
Lima, xxix. 
Loscombii, 68. 
Limacids, viii., 3. 
Limacinida, xiii. 
Limacina, xiii. 
retroversa, xiii. 
Limax, viii. 
agrestis, 3. 
arborum, 4. 
brunneus, 4. 
flavus, 3. 
gagates, 3. 
marginatus, 3. 
maximus, 4. 
Limea, xxix. 
Limide, xxvi., xxviii., xxix. 
Limnexide, xi. 
Limnea, xi., 21. 
auricularia, 21. 
var. acuta, 21. 
glabra, 22. 
glutinosa, 23, 26. 
palustris, 22 
var. inate 22. 
eregra, 
y ie labiosa, 21. 
» succineformis, 21. 
truncatula, 22. 
var. minor, 22. 
stagnalis, 21, 26. 
103 
Limopsis, xxviii. 
Liomesus, xv. 
Dalei, xv. 
Limopsis, xxviii. 
Littorina, xvii., 40. 
littoralis, 41. 
littorea,, xvii., 40. 
neritoides, xvii., 40. 
rudis, xvii., 40. 
var. patula, 40. 
»» tenebrosa, 49, 
obtusata, xvii., 41, 
Littorinide, xvii., 40. 
Loligide, viii. 
Loligo, viii. 
media, viii. 
Forbesii, viii. 
Loripes, xxx., 78. 
lacteus, 78. 
Lucina, xxx., 78. 
borealis, 78. 
leucoma, 78, 
Lucinida, xxvii., xxvili., xxx., 
78. 
Lucinopsis, xxxi., 86. 
undata, 86. 
Lutraria, xxx., 81. 
oblonga, 81. 
elliptica, 82. 
Lutrariida, xxvii. 
Lyonsia, xxxii., 95. 
norvegica, 95 
Lyonsiide, 
XXXil, 95. 
XXVi., | XXvVill., 
M. 
Mactra, xxx., 77. 
Boysii, 81 
Pa deg 78. 
Listeri, 80. 
lutraria, 82, 
solida, 78. 
var. elliptica, 78. 
», truncata, 77. 
stultorum, 77. 
subtruncata, 77. 
var. striata, 77. 
