Lister, on chromatophores of blind Frogs, [301].
Locusta, length of life of imago of, [39].
Lotze, on activity in connection with longevity, [7].
Lucanus cervus, length of life of imago of, [47].
Lycaena violacea, length of life of imago of, [44].
Lynceinae, spermatazoa of, [176].
Macroglossa stellatarum, length of life of female of, [45].
Magosphaera planula, [75], [120], [122], [126], [147], [152];
figure of, [123].
Magpies, length of life of, [36].