-------- Triassic, [805].
Manchester, [129].
Mansfeld, Saxony, [178], [602].
Mantell, Mr. Reginald, researches of, [240], [290], [369].
------- Mr. Walter, researches of, [95], [211], [273], [347], [348], [366], [702].
Mantellia cylindrica, [158].
--------- nidiformis, [157].
Marbles composed of fresh-water shells, [422].
March, Lincolnshire, [368].
Margate, Kent, [230].