MACAULAY and his memory.
MCDONNELL, R., his study of electrical organs in fish.
MACKINTOSH, D., his work on erratic blocks.
MACLEAY, W.S., mentioned.
MADEIRA AND BERMUDA birds not peculiar.
MALAY ARCHIPELAGO,' Wallace's 'Zoological Geography of.
MAMMALS, descent of, from a single type.
MAN, all races of, descended from one type. Antiquity of. Origin of. Relationship to apes.
MARRIAGES, consanguineous.
MARSH, O.C., letter to.
MASTERS, Maxwell, letter to.
MATTHEW, Patrick, anticipates the doctrine of natural selection.
MAW, George, reviews the 'Origin of Species.'
MEDAL of Royal Society awarded to Darwin.
MEGATHERIUM sent down from heaven.
MESMERISM, Darwin's estimate of.
MILNE, D., criticises Glen Roy paper.
MIMETIC MODIFICATIONS in plants.
MIVART, St. G., Darwin on his 'Genesis of Species.' His 'Genesis of Species' reviewed by Chauncey Wright. Criticised by Huxley. His 'Lessons from Nature' reviewed in the 'Academy.'
MODIFICATION.
MODIFICATIONS, absence of.
MOGGRIDGE, J.T., letter to.
MOJSISOVIC, E. von, Darwin on 'Dolomit Riffe.'
MONADS, persistence of.
MONSTERS.
MONSTROSITIES are sterile.
MORSE, E.S., letter to.
MOSELEY, H.N., letters to.
MULLER, Fritz, letters to. His 'Fur Darwin' translated. Receives offer of aid from Darwin.
MULLER, Hermann, letters to.
MULLER, Max, his 'Lectures on the Science of Language.'
MURRAY, Andrew, quoted on the 'Origin of Species.'
MURRAY, John, letters to.
MUSIC OF INSECTS.
MUTABILITY OF SPECIES.
NAGELI, C., his 'Entstehung und Begriff der Naturhistorischen Art.' Letter to.
NAPLES Zoological Station receives a present from Darwin.
NATURAL HISTORY, Darwin's passion for.
NATURAL SELECTION, see Selection, natural.
NAUDIN, Darwin on.
NEUMAYR, Melchior, letter to.
NEVILL, Lady Dorothy, letter to.
NEWTON, A., letter to. Reviews the 'Variation of Animals and Plants.'
NEW ZEALAND, animals of. Plants of.
NOBILITY, natural selection among.
NOMENCLATURE of species, discussion on.
NORMAN, E., Darwin's secretary.
NOVARA expedition.
'OBSERVATIONS ON PARALLEL ROADS OF GLEN ROY,' published. Extract from.
OGLE, William, letter to.
'ORCHIDS, FERTILISATION OF,' work on. Published. Reviews of. Second edition published.
'ORCHIS BANK' described.
ORGANS, rudimentary.
'ORIGIN OF SPECIES,' first note-book of, opened. Growth of the. Published. Its success. Second edition. Darwin's change of views upon. Description of sketch of 1844. Huxley's view of sketch of 1844. Prof. Newton's view of same. The writing of. Abstract book. Unorthodoxy of. Faults of style. Lyell on. Huxley on. Bishop Wilberforce on. Huxley's summary of reviews of. Answer to Lyell on. H.C. Watson on. Jos. D. Hooker on. French translation proposed. First German edition. Reviewed in the "Times". First American edition. Asa Gray on. Kingsley on. And the Bible. Rev. J. Brodie Innes on. Reviewed in the 'Edinburgh Review.' Reviewed in the 'North American Review.' Reviewed in the 'Revue des deux Mondes.' Reviewed in the "New York Times". Reviewed in the "Christian Examiner". Discussed by the British Association. Reviewed in 'Quarterly Review.' Reviewed in the 'London Review.' Reviewed in the 'American Journal of Science and Arts. Bronn's criticisms of. Reviewed in the 'Memoirs of the American Academy of Arts and Sciences.' Answers to criticisms on. Third edition. 'Historical Sketch of the Recent Progress of Opinion on the.' Dutch edition. First French edition. Reviewed in the 'Geologist.' Reviewed in the 'Dublin Hospital Gazette.' Reviewed in the 'Zoologist.' De Candolle's view of. Haeckel's view of. Gen. Sabine on. Flourens on. Second French edition. Criticised by the Duke of Argyll. Fourth edition. Third German edition. Russian editions of. Fifth edition. Reviewed in the 'North British Review.' Reviewed in the 'Athenaeum.' Third and fourth French editions. Sixth edition. Criticised by Pusey. 'Coming of age of.'
OSTRICH, Darwin discovers a new species of.