Maw, G., correlation of contracted leaves and flowers in pelargoniums, ii. [330], [331].
Mawz, fertility of Brassica rapa, ii. [165].
Maxillaria, self-fertilised capsules of, ii. [134];
number of seeds in, ii. [379].
Maxillaria atro-rubens, fertilisation of, by M. squalens, ii. [133].
Mayes, M., self-impotence in Amaryllis, ii. [139].
Meckel, on the number of digits, ii. [13];
correlation of abnormal muscles in the leg and arm, ii. [322].
Medusæ, development of, ii. [368], [384].
Meehan, Mr., comparison of European and American trees, ii. [281].