Page images
PDF
EPUB

Monstrosities, 33.

Moquin-Tandon, on sea-side plants,
107.

Morphology, 382.

Morren, on the leaves of Oxalis, 197.

Moths, hybrid, 240.

Mozart, musical powers of, 206.

Mud, seeds in, 345.

Mules, striped, 129.

Miiller, Adolf, on the instincts of the
cuckoo, 213.

Miiller, Dr. Ferdinand, on Alpine
Australian plants, 337.

Miiller, Fritz, on dimorphic crus-
taceans, 35, 233.

, on the lancelet, 99.

r, on air-breathing crustaceans,

152.

, on climbing plants, 197.

, on the self-sterility of orchids,

238.

, on embryology in relation to

classification, 368.

, on the metamorphoses of crus-
taceans, 390, 395.

, on terrestrial and fresh-water

organisms not undergoing any me-
tamorphosis, 394.

Multiplication of species not indefi-
nite, 101.

Murchison, Sir R., on the forma-
tions of Russia, 272.

, on azoic formations, 286.

, on extinction, 293.

Murie, Dr., on the modification of the
skull in old age, 149.

Murray, Mr. A., on cave-insects, Ill.

Mnstela vison, 138.

Myanthus, 372.

Myrmecocystus, 231.

Myrmica, eyes of, 232.

K.

Nageli, on morphological characters,
170.

Nails, rudimentary, 400.
Kathusius, Von, on pigs, 159.
Natural history, future progress of,
426.

selection, 62.

system, 364.

Naturalisation of forms distinct from
the indigenous species, 89.

Naturalisation in New Zealand, 163.
Naudin, on analogous variations in

gourds, 125.

, on hybrid gourds, 258.

. on reversion, 260.

Nautilus, Silurian, 286.
Nectar of plants, 73.
Nectaries, how formed, 73.
Nelumbium luteum, 346.
Nests, variation in, 208, 228, 234.
Neuter insects, 230, 231.
Newman, Col., on humble-bees, 57.
New Zealand, productions of, not

perfect, 163.

, naturalised products of, 309.

-, fossil birds of, 310.

, glaciers of, 335.

, crustaceans of, 338.

, algse of, 338.

, flora of, 354.

, number of plants of, 374.

Newton, Sir I., attacked for irre-

ligion, 421. , Prof., on earth attached to a

partridge's foot, 328.
Nicotiana, crossed varieties of, 258. , certain species very sterile,

243.

Nitsche, Dr., on the Polyzoa, 193.

Noble, Mr., on fertility of Rhodo-
dendron, 239.

Nodules, phosphatic, in azoic rocks,
287.

O.

Oaks, variability of, 40.
Ginonis, small imperfect flowers of,
173.

Onites appelles, 108.
Orchids, fertilisation of, 154.

, the development of their

flowers, 195.

, forms of, 372.

Orchis, pollen of, 151.

Organisation, tendency to advance, 97.

Organs of extreme perfection, 143.

, electric, of fishes, 150.

of little importance, 156.

, homologous, 382.

, rudiments of, and nascent, 397.

Ornithorhynchus, 83, 367.

, mammse of, 190.

Ostrich not capable of flight, 180.

Ostrich, habit of laying eggs together,
215.

, American, two species of, 318.

Otter, habits of, how acquired, 138.
Ouzel, water, 142.

Owen, Prof., on birds not flying, 108.

, on vegetative repetition, 118.

, on variability of unusually

developed parts, 119.

, on the eyes of fishes, 145.

■ ■, on the swim-bladder of fishes,

148.

, on fossil horse of La Plata,

294.

, on generalized form, 301.

, on .relations of ruminants and

pachyderms, 303. , on fossil birds of New Zealand,

310.

•, on succession of types, 310.

, on affinities of the dugong,

365.

, on homologous organs, 383.

, on the metamorphosis of ce-

phalopods, 390.

P.

Pacific Ocean, faunas of, 317.

Pacini, on electric organs, 151.

Paley, on no organ formed to give
pain, 163.

Pallas, on the fertility of the domes-
ticated descendants of wild stocks,
241.

Palm with hooks, 158.
Papaver bracteatum, 174.
Paraguay, cattle destroyed by flies,
56.

Parasites, 215.

Partridge, with ball of earth attached

to foot, 328.
Parts greatly developed, variable,

119.

Parus major, 141.
Passiflora, 238.
Peaches in United States, 66.
Pear, grafts of, 246.
Pedicellarise, 191.
Pelargonium, flowers of, 166.

■ , sterility of, 239.

Pelvis of women, 115.
Peloria, 116.
Period, glacial, 330.

Petrels, habits of, 142.

Phasianus, fertility of hybrids, 240.

Pheasant, young, wild, 211.

Pictet, Prof., on groups of species

suddenly appearing, '282.

, on rate of organic change, 291.

, on continuous succession of

genera, 293. , on change in latest tertiary

forms, 278. , on close alliance of fossils in

consecutive formations, 306.

, on early transitional links, 283.

Pierce, Mr., on varieties of wolves,

71.

Pigeons with feathered feet and skin

between toes, 9. , breeds described, and origin of,

15.

, breeds of, how produced, 28,

30.

, tumbler, not being able to get

out of egg, 68.

. reverting to blue colour, 127.

, instinct of tumbling, 210.

, young of, 392.

Pigs, black, not affected by the paint-
root, 9.

, modified by want of exercise,

159.

Pistil, rudimentary, 397.

Plants, poisonous, not affecting cer-
tain coloured animals, 9.

, selection applied to, 27.

, gradual improvement of, 27.

, not improved in barbarous

countries, 27.

, dimorphic, 35, 253.

, destroyed by insects, 53.

, in midst of range, have to

struggle with other plants, 60.

, nectar of, 73.

, fleshy, on sea-shores, 107.

, climbing, 147, 196.

, fresh-water, distribution of,

345.

, low in scale, widely distri-
buted, 359.

Pleuronectidse, their structure, 186.

Plumage, laws of change in sexes of
birds, 70.

Plums in the United States, M.

Pointer dog, origin of, 25.

-, habits of, 210.

Poison not affecting certain coloured

animals, 9. , similar effect of, on animals

and plants, 425.
Pollen of fir-trees, 164. transported by various means,

154, 161.
Pollinia, their development, 195.
Polyzoa, their avicularia, 193.
Poole, Col., on striped hemionus,

128.

Potamogeton, 346.

Pouchet, on the colours of flat-fish,
188.

Prestwich, Mr., on English and

French Eocene formations, 300.
Proctotrupes, 142.
Proteolepas, 118.
Proteus, 112.

Psychology, future progress of, 428.
Pyrgoma, found in the chalk, 284.

a.

Quagga, striped, 129.
Quatrefages, M., on hybrid moths,
240.

Quercus, variability of, 40.
Quince, grafts of, 246^

a.

Rabbit, disposition of young, 211.

Races, domestic, characters of, 12

Race-horses, Arab, 26

, English, 323.

Radcliffe, Dri) the electrical organs
of the torpedo, 150..

Ramond, on plants of Pyrenees, 331.

Ramsay, Prof., on subaerial denu-
dation, 267.

, on thickness of the British

formations, 268, 269.

, on faults, 268.

Ramsay, Mr., on instincts of cuckoo,
213.

Ratio of increase, 50.

Rats supplanting each other, 59.

, acclimatisation of, 113.

, blind, in cave, 110..

Rattle-snake, 162.
Reason and instinct, 205.
Recapitulation, general, 404.
Recriprocity of crosses, 243.
Record, geological, imperfect, 264.

Rengger, on flies destroying cattle,
56.

Reproduction, rate of, 50.
Resemblance, protective, of insects,
181.

to parents in mongrels and

hybrids, 260.

Reversion, law of inheritance, 11.

, in pigeons, to blue colour, 127.

Rhododendron, sterility of, 239.

Richard, Prof., on Aspicarpa, 367.

Richardson, Sir J., on structure of
squirrels, 139.

, on fishes of the southern hemi-
sphere, 338.

Robinia, grafts of, 246.

Rodents, blind, 110.

Rogers, Prof., Map of N. America,
274.

Rudimentary organs, 397.

Rudiments important for classifica-
tion, 367.

Rutimeyer, on Indian cattle, 14,
ML

S.

Salamandra atra, 397.
Saliva used in nests, 228.
Salvin, Mr., on the beaks of ducks,
184.

Sageret, on grafts, 246.

Salmons, males fighting, and hooked

jaws of, 69.
Salt water, how far injurious to

seeds, 325. not destructive to land-shells,

353.

Salter, Mr., on early death of hybrid

embryos, 249.
Saurophagus sulphuratus, 141.
Schacht, Prof., on Phyllotaxy, 173.
Schiodte, on blind insects, 110.

, on flat-fish, 186.

Schlegel, on snakes, 113.

School, Dr., on the ears of mice, 172.

Scott, J., Mr., on the self-sterility of

orchids, 238. , on the crossing of varieties of

verbascum, 258.
Sea-water, how far injurious to

seeds, 325. not destructive to land-shells,

325.

Sebright, Sir J., on crossed animals, I

15. |
Sedgwick, Prof., on groups of species

suddenly appearing, 282.
Seedlings destroyed by insects, 53.
Seeds, nutriment in, 60.

• , winged, 117.

, means of dissemination, 154,

161, 327, 328. , power of resisting salt water,

325.

, in crops and intestines of

birds, 326, 327.

, eaten by fish, 327, 346.

in mud, 345.

, hooked, on islands, 349.

Selection of domestic products, M.
■ , principle not of recent origin,

27.

•, unconscious, 27.

, natural, 62.

, sexual, 69.

, objections to term, 63.

natural, has not induced ste-
rility, 247.

Sexes, relations of, 69.

sexual characters variable, 123.

selection, 69.

Sheep, Merino, their selection, M.

—, two sub-breeds, unintentionally
produced, M.

, mountain varieties of, 59.

Shells, colours of, 107.

■ , hinges of, 154.

, littoral, seldom embedded, 270.

, fresh-water, long retain the

same forms, 308.

, fresh-water, dispersal of, 344.

—of Madeira, 349.

, land, distribution of, 349.

, land, resisting salt water, 325.

Shrew-mouse, 373.

Silene, infertility of crosses, 243.

Silliman, Prof., on blind rat, 110.

Sirenia, their affinities, 302.

Sitaris, metamorphosis of, 394.

Skulls of young mammals, 159, 384.

Slave-making instinct, 216.

Smith, Col. Hamilton, on striped
horses, 129.

, Mr. Fred., on slave-making

ants, 217.

, on neuter ants, MI.

Smitt, Dr., on the Polyzoa, 193.

Snake with tooth for cutting through

egg-shell, 214.
Somerville, Lord, on selection of

sheep, 23.
Sorbus, grafts of, 246.
Sorex, 373.

Spaniel, King Charles's breed, M.
Specialisation of organs, 98.
Species, polymorphic, 35.

-, dominant, M.

, common, variable, 42.

in large genera variable, 44.

, groups of, suddenly appearing,

282, 285.

beneath Silurian formations,

287.

successively appearing, 290.

changing simultaneously

throughout the world, 297.

Spencer, Lord, on increase in size of
cattle, M.

, Herbert, Mr., on the first steps

in differentiation, 100.

, on the tendency to an equili-
brium in all forces, 252.

Sphex, parasitic, 216.

Spiders, development of, 390.

Sports in plants, 8.

Sprengel, C. C, on crossing, 76.

, on ray-florets, 116.

Squalodon, 302.

Squirrels, gradations in structure,
139.

Staffordshire, heath, changes in, M.
Stag-beetles, fighting, 69.
Star-fishes, eyes of, 144.

, their pedicellaria;, 192.
Sterility from changed conditions of

life, 7.

of hybrids, 236.

, laws of, 241.

, causes of, 247.

from unfavourable conditions,

250.

not induced through natural

selection, 247.
St. Helena, productions of, 347.
St. Hilaire, Aug., on variability of

certain plants, 174.

, on classification, 368.

St. John, Mr., on habits of cats, 209.
Sting of bee, 163.

Stocks, aboriginal, of domestic ani-
mals, 14.

Strata, thickness of, in Britain, 268,
2«9.

Stripes on horses, 128.
Structure, degrees of utility of, 159.
Struggle for existence, 48.
Succession, geological, 290.

of types in same areas, 310.

Swallow, one species supplanting

another, 59.
Swaysland, Mr., on earth adhering to

t he feet of migratory birds, 328.
Swifts, nests of, 228.
Swim-bladder, 148.
Switzerland, lake habitations of, 13.
System, natural, 364.

T.

Tail of giraffe, 157.

of aquatic animals, 157.

, prehensile, 188.

, rudimentary, 400.

Tanais, dimorphic, M.

Tarsi, deficient, 108.

Tausch, Dr., on umbelliferse, 173.

Teeth and hair correlated, 115.

, rudimentary, in embryonic,

calf, 397, 420.
Tegetmeier, Mr., on cells of bees,

222, 226.

Temminck, on distribution aiding

classification, 369.
Tendrils, their development, 196.
Thompson, Sir W., on the age of the

habitable world, 286. , on the consolidation of the

crust of the earth, 409.
Thouin, on grafts, 246.
Thrush, aquatic species of, 142.

, mocking, of the Galapagos, 356.

, young of, spotted, 388.

, nest of, 234.

Thuret, M., on crossed fuci, 243.
Thwaites, Mr., on acclimatisation,

112.

Thylacinus, 374.

Tierra del Fuego, dogs of, 211.

, plants of, 341.

Timber-drift, 326.
Time, lapse of, 266. by itself not causing modifica-
tion, 81.
Titmouse, 141.

Toads on islands, 350.

Tobacco, crossed varieties of, 258.

Tomes, Mr., on the distribution of
bats, 351.

Transitions in varieties rare, 134.

Traquair, Dr., on flat-fish, 188.

Trautschold, on intermediate varie-
ties, 275.

Trees on islands belong to peculiar
orders, 350.

with separated sexes, 78.

Trifolium pratense, 57, 75.

incarnatum, 75.

Trigonia, 296.
Trilobites, 286.

, sudden extinction of, 297.

Trimen, Mr., on imitating-insects,
377.

Trimorphism in plants, 35, 252.

Troglodytes, 234.

Tuco-tuco, blind, 110.

Tumbler pigeons, habits of, heredi-
tary, 210.

, young of, 392.

Turkey-cock, tuft of hair on breast,
70.

, naked skin on head, 158.

, young of, instinctively wild,

265.

Turnip and cabbage, analogous vari-
ations of, 125.

Type, unity of, 166, 167.

Types, succession of, in same areas,
310.

Typotherium, 302.

U.

Udders enlarged by use, 8.

, rudimentary, 397.

Ulex, young leaves of, 388.
Umbelliferse, flowers and seeds of,
116.

, outer and inner florets of, 173.

Unity of type, 166, 167.
Uria lacrymans, 72.
Use, effects of, under domestication,
8.

, effects of, in a state of nature,

108.

Utility, how far important in the
construction of each part, 159

« PreviousContinue »