Mollusca, change in shells of, ii. [280].

Monke, Lady, culture of the pansy by, i. 368.

Monkeys, rarely fertile in captivity, ii. [153].

Monnier, identity of summer and winter wheat, i. 315.

Monster, cyclopean, ii. [341].

Monsters, double, ii. [339]-[340].

Monstrosities, occurrence of, in domesticated animals and cultivated plants, i. 366, ii. [254];

due to persistence of embryonic conditions, ii. [57];

occurring by reversion, ii. [57]-[60];

a cause of sterility, ii. [166]-[167];