Müller, Fritz, [77]-[79].

Müller, Hermann, [77].

Mussels, [28].

Mutations, [31] footnote, [72]-[76].

Nägeli, [4], [11], [24], [60], [82].

Neumayr, [72].

Newton, [5].

Nutrition of determinants, [36], [37], [41], [47].

Nymphalidæ, [21].

Ontogenesis, [8].