Ménétries, on the stomach of Strix grallaria, ii. [302].

Meningitis, tubercular, inherited, ii. [78].

Metagenesis, ii. [366].

Metamorphosis, ii. [366].

Metamorphosis and development, ii. [388], [389].

Metzger, on the supposed species of wheat, i. 312-313;

tendency of wheat to vary, i. 315;

variation of maize, i. 321-322;

cultivation of American maize in Europe, i. 322, ii. [347];

on cabbages, i. 323-325;