Laetmonice, [312]

Lagenipora, [528]

Lamarck, on Gephyrea, [411]

Land, Planarians, [4], [30], [33], [34], [36];

Nemertines, [101], [117];

Oligochaeta, [347] f.;

Leeches, [408]

Lang, on Polyclads, [7], [17], [21] f., [27], [28] n.;

on nature of Cestodes, [76]

Lanice, [328];