Meyeria ornata, [519].
Micraster cor-anguinum, [328].
Microdon, [610].
Microphytes, fossil, [88], [337].
Microscopical examination, [65], [371], [639].
Microzoa, [338].
Middleton Moor, Derbyshire, [285], [894].
Millepora rhombifera, [264], [268].
Miller, Mr., works and researches of, [288], [331], [456], [864].
------ Mr. Hugh, works and researches of, [32], [612], [614], [618], [619].