Helix 
nobilis, Pf., 
norrisi, SOW, 
notabilis, Shuttl, 
— Var ou n. sp., 
notata, Poey, 
nouleti, Guillou, 
novæ-hiberniæ, Quoy, 
novæ-quineensis, Pf., 
nucleola, Rang, 
nucula, Parreys, 
numnus, Ehren, 
nystianus, Pf., 
obesa, Beck, 
obliterata, Fer, 
obstricta, Say, 
obstructa, Fer, 
obtecta, Lowe, 
obtusa, Pf., 
obvia, Ziegl., 
— Var depressa, 
obvoluta, Mull, 
ocellata Parr, 
oculus, Pf., 
— Var ou n. sp., 
oculus-capri Mull, 
æsopus, Angas {ype, 
olivetorum, Gmel, 
omphalodes, Pf., 
opalina, Sow, 
orbicula, d’Orb, 
orbiculata, Fer, 
rer Say, 
orbis, Beck, 
oreas, Koch. 
orotovana, Tarn, 
orsinii, Porso, type, 
osculans, Adams, 
otaheitana, Fer, 
otthania, Forbes, 
ovum, Val, 
ovum-reguli, Lea, 
oxytropis, Lowe, 
pachygastra, Gray, 
pachystyla, PF., 
palawanica, PF., 
— Var, 
pallescens, Shutt], 
De— 
Borneo. 
Philippinæ. 
Australia. 
Porto-Rico. 
Tôrtola. 
Cuba. 
Fidji. 
N. Hibernia. 
N. Guinea. 
Martinica. 
Alexandria. 
Syria. 
Philippinæ. 
Martinica. 
Porto-Rico. 
N. America. 
Jerusalem. 
Madeira. 
Philippinæ. 
Europa. 
» 
Gallia. 
Dalmatia. 
China. 
Japonia. 
Hispania. 
Costa-Rica. 
Italia. 
Madagascar. 
Philippinæ. 
Bolivia. 
S. Lucia. 
Florida. 
Opara I. 
Colombia. 
Teneriffe. 
Italia. 
Jamaica. 
Otahitli. 
Algeria. 
Philippinæ. 
Cuba. 
Madeira. 
Guadeloupe. 
Australia, 
Borneo. 
) 
Jamaica. 
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