Mascarene plants, curious relations of, [442]

endemic genera of, [443]

Mascarene flora, fragmentary character of, [444]

abundance of ferns in, [445]

Mauritius, Bourbon, and Rodriguez, [434]

Measurements of geological time, [233]

agreement of various estimates of, [235]

concluding remarks on, [236]

Medicago sativa in New Zealand, [515]

Megalæmidæ, [27]