Millstone-grit, [31].
Mimosites Browniana, [189].
Minerals, definition of, [15].
Miocene deposits, [24].
Mississippi, floating wood-rafts of the, [79].
Missouri, U. S., [365], [628], [708].
Mocha-stones, [103].
Modiola, [407].
Moira, Ireland, [237].
Mole, fossil, [812].