Scrobicularia, xxx., 80. 
piperita, 80. 
prismatica, 80. 
tenuis, 81. 
Serobiculariids, xxvii. 
XXviil., xxx., 80. 
Seutibranchiata, xxi., 56. 
Sepia, vii., 1. 
elegans, vii. 
officinalis, vii. 
Rupellaria, vii. 
Sepiide, vii., 1. 
Sepiola, vii. 
Atlantica, vii 
Rondeleti, vii. 
Sepiolida, vii. 
Siphodentalium, xxv. 
lofotense, Xxv. 
Skenea, xvii., 42. 
depressa, xvii. 
divisa, 59. 
nitidissima, 42. 
planorbis, xvii., 42. 
rota, 42 
Skeneiidee, xvii., 42. 
Solecurtus, xxxi. 
antiquatus, 90. 
ensis, 91. 
marginatus, 91. 
pellucidus, 91. 
siliqua, 91. 
vagina, 91. 
Solenide, xxvii., xxxi., 90. 
Spherium, xxix., 71. 
corneum, 71. 
lacustre, 71. 
Stenogyrida, xi., 17. 
Strombus, 38. 
pes-pelicani, 38. 
Stylifer, xx. 
stylifer, xx. 
Turtoni, xx. 
Stylina, xx. 
108 
Submytilacea, xxix. 
Succinea, xi., 18. 
elegans, 18. 
oblonga, 18. 
putris, 18. 
Succineide, xi., 18. 
Syndosmya, xxx., 80. 
alba, 
intermedia, 81. 
nitida, 81. 
prismatica, 80. 
tenuis, 81. 
Tachea, x., 12. 
hortensis, x., 13. 
nemoralis, x., 12. 
var. hybrida, 12. 
» major, 12. 
»» wainor, 12. 
Teenioglossa, xv., 38. 
Tapes, xxxi., 86. 
aureus, 86, 
decussata, 87. 
pullastra, 87. 
var. purpurea, 87. 
virginea, 86. 
Tectibranchiata, xii. 
Tellina, xxx., 79. 
balthica, 79. 
crassa, 79. 
donacina, 80. 
depressa, 80. 
fabula, 79. 
incarnata, 80. 
rotundata, 75. 
solidula, 79. 
squalida, 80. 
tenuis, 79. 
Tellinacea, xxvii., 
XXX. 
Tellinide, xxviii, xxx., 79. 
Terebratulide, 96. 
XXViii., 
