s
--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 fe