le architectural powers" (loc. cit., page 222).
-letters to.

Million years, Darwin on meaning of a.

Milne-Edwards, Darwin's cirripede work and.
-Darwin's opinion of.
-on retrograde development.

Milne-Home, David (1805-90): was a country gentleman in Berwickshire who
became interested in geology at an early age. He wrote on the Midlothian
Coal-field, the Geology of Roxburghshire, the Parallel Roads of Glen Roy,
and compiled the Reports presented by a Committee appointed by the Royal
Society of Edinburgh to investigate the observation and registration of
boulders in Scotland ("Quart. Journ. Geol. Soc." Volume XLVII., 1891;
"Proc." page 59).
-believes in connection between state of weather and earthquakes.
-on Glen Roy.
-letters to.
-letter from R. Chambers to.
-on oscillation of sea.

Milton, quotation from.

Mimicry, Bates on.
-and dimorphism.
-Volucella as an example of.
-Wallace on.
-and colour.
-F. Muller on Lepidoptera and.

Mimosa, Darwin's experiments on.
-M. albida, Darwin on.
-M. sensitiva.

Mimoseae, F. Muller's account of seeds of.

Mimulus, Pfeffer on movement of stigma.

Mind, development of.
-evolution of.
-influence on nutrition.

Miocene land.

Miquel, F.A.W., on Flora of Holland.
-on distribution of the beech.
-on flora of Japan.
-mentioned.

Mirabilis.

Mirbel, G.F.B. de.

Miscellaneous letters, botanical.
-geological.

Miscellaneous subjects, letters on.

Mississippi, Lyell on pampas and deposits of the.

Mitchella.

Mivart, St. George F.R.S. (1827-1900): was educated at Harrow, King's
College, London, and St. Mary's College, Oscott. He was called to the Bar
in 1851; in 1862 he was appointed Lecturer in the Medical School of St.
Mary's Hospital. In the "Genesis of Species," published in 1871, Mivart
expressed his belief in the guiding action of Divine power as a factor in
Evolution.
-false reasoning of.
-"Genesis of Species."

Modification, Darwin's disbelief in sudden.
-explanation of.
-of insects.
-of jays and crows.
-of land and freshwater faunas.
-selection and.
-of species.
-Walsh on specific.

Moel Tryfan, Darwin on shells on.
-Mackintosh on shells on.

Moggridge, J. Traherne (1842-74): is described by a writer in "Nature"
Volume XI., 1874, page 114, as "one of our most promising young
naturalists." He published a work on "Harvesting Ants and Trap-door
Spiders," London, 1873,