--on naturalised plants in the United States
--on aestivation
--on rarity of intermediate varieties
--on Alpine plants

Gray, Dr. J.E., on striped mule

Grebe

Grimm, on asexual reproduction

Groups, aberrant

Grouse, colours of
--red, a doubtful species

Growth, compensation of

Gunther, Dr., on flat-fish
--on prehensile tails
--on the fishes of Panama
--on the range of fresh-water fishes
--on the limbs of Lepidosiren

Haast, Dr., on glaciers of New Zealand

Habit, effect of, under domestication
--effect of, under nature
--diversified, of same species

Hackel, Prof., on classification and the lines of descent

Hair and teeth, correlated

Halitherium

Harcourt, Mr. E.V., on the birds of Madeira

Hartung, M., on boulders in the Azores

Hazel-nuts

Hearne, on habits of bears

Heath, changes in vegetation

Hector, Dr., on glaciers of New Zealand

Heer, Oswald, on ancient cultivated plants
--on plants of Madeira

Helianthemum

Helix pomatia, resisting salt water

Helmholtz, M., on the imperfection of the human eye

Helosciadium

Hemionus, striped

Hensen, Dr., on the eyes of Cephalopods

Herbert, W., on struggle for existence
--on sterility of hybrids

Hermaphrodites crossing

Heron eating seed

Heron, Sir R., on peacocks

Heusinger, on white animals poisoned by certain plants

Hewitt, Mr., on sterility of first crosses

Hildebrand, Prof., on the self-sterility of Corydalis

Hilgendorf, on intermediate varieties

Himalaya, glaciers of
--plants of

Hippeastrum

Hippocampus

Hofmeister, Prof., on the movements of plants

Holly-trees, sexes of

Hooker, Dr., on trees of New Zealand
--on acclimatisation of Himalayan trees
--on flowers of umbelliferae
--on the position of ovules
--on glaciers of Himalaya
--on algae of New Zealand
--on vegetation at the base of the Himalaya
--on plants of Tierra del Fuego
--on Australian plants
--on relations of flora of America
--on flora of the Antarctic lands
--on the plants of the Galapagos
--on glaciers of the Lebanon
--on man not causing variability
--on plants of mountains of Fernando Po

Hooks on palms
--on seeds, on islands

Hopkins, Mr., on denudation

Hornbill, remarkable instinct of

Horns, rudimentary

Horse, fossil in La Plata
--proportions of, when young

Horses destroyed by flies i