Macleay, on analogical characters
Macrauchenia
McDonnell, Dr., on electric organs
Madeira, plants of --beetles of, wingless --fossil land-shells of --birds of
Magpie tame in Norway
Males, fighting
Maize, crossed
Malay Archipelago, compared with Europe --mammals of
Malm, on flat-fish
Malpighiaceae, small imperfect flowers of
Mammae, their development --rudimentary
Mammals, fossil, in secondary formation --insular
Man, origin of
Manatee, rudimentary nails of
Marsupials, fossil species of
Marsupials of Australia, structure of their feet
Martens, M., experiment on seeds
Martin, Mr. W.C., on striped mules
Masters, Dr., on Saponaria
Matteucci, on the electric organs of rays
Matthiola, reciprocal crosses of
Maurandia
Means of dispersal
Melipona domestica
Merrill, Dr., on the American cuckoo
Metamorphism of oldest rocks
Mice destroying bees --acclimatisation of --tails of
Miller, Prof., on the cells of bees
Mirabilis, crosses of
Missel-thrush
Mistletoe, complex relations of
Mivart, Mr., on the relation of hair and teeth --on the eyes of cephalopods --various objections to Natural Selection --on abrupt modifications --on the resemblance of the mouse and antechinus
Mocking-thrush of the Galapagos
Modification of species, not abrupt
Moles, blind
Molothrus, habits of
Mongrels, fertility and sterility of --and hybrids compared
Monkeys, fossil
Monachanthus
Mons, Van, on the origin of fruit-trees
Monstrosities
Moquin-Tandon, on sea-side plants
Morphology
Morren, on the leaves of Oxalis
Moths, hybrid
Mozart, musical powers of
Mud, seeds in
Mules, striped
Muller, Adolph, on the instincts of the cuckoo
Muller, Dr. Ferdinand, on Alpine Australian plants
Muller, Fritz, on dimorphic crustaceans --on the lancelet --on air-breathing crustaceans --on the self-sterility of orchids --on embryology in relation to classification --on the metamorphoses of crustaceans --on terrestrial and fresh-water organisms not undergoing any metamorphosis --on climbing plants
Multiplication of species not indefinite
Murchison, Sir, R., on the formations of Russia --on azoic formations --on extinction
Murie, Dr., on the modification of the skull in old age
Murray, Mr. A., on cave-insects
Mustela vison
Myanthus
Myrmecocystus
Myrmica, eyes of
Nageli, on morphological characters
Nails, rudimentary
Nathusius, Von, on pigs
Natural history, future progress of --selection --system
Naturalisation of forms distinct from the indigenous species --in New Zealand
Naudin, on analagous variations in gourds --on hybrid gourds --on reversion
Nautilus, Silurian
Nectar of plants
Nectaries, how formed
Nelumbium luteum
Nests, variation in
Neuter insects
New Zealand, productions of, not perfect --naturalised products of --fossil birds of --glaciers of --crustaceans of --algae of --number of plants of --flora of
Newman, Col., on humble-bees
Newton, Prof., on earth attached to a partridge's foot
Newton, Sir I., attacked for irreligion
Nicotiana, crossed varieties of --certain species very sterile
Nitsche, Dr., on the Polyzoa
Noble, Mr., on fertility of Rhododendron
Nodules, phosphatic, in azoic rocks