quoted in the "Origin."
-story of a heathen Khan.
-reference to E. Forbes and P.H. Gosse.

Kini Balu, vegetation of.

Kirby and Spence.

Klebs, on use of mucus in seeds.

Knight, A., on crossing.
-hybrid experiments.
-on sports.

Knight's Law.

Knight-Darwin Law, F. Darwin on.

Knuth, on morphology of cruciferous flower.

Koch's "Flora Germanica."

Kolliker, visits Down.

Kollmann, Dr., on atavism.

Kolreuter, on Aquilegia.
-on hybrids.
-observations on pollen.
-on self-fertilisation.
-on varieties of tobacco.

"Kosmos," F. Muller's article on Crotolaria.
-F. Muller's paper on Phyllanthus in.

Krause, E., letter to.
-memoir of Erasmus Darwin.
-memoir of H. Muller.

Kroyer.

Kubanka, form of Russian wheat.

Kurr, on flowers of Canna.

La Plata, H.M.S. "Beagle's" visit to.
-Cervus of.
-Mylodon of.
-plants of.
-extinct animals from.
-slates and schists of.

Labellum, nature of.

Labiatae, large genera of.

Laboratory, Darwin on the instruments for botanical.
-founding of Jodrell.

Laburnum, peloric flowers of.
-Darwin on hybrid (see also Cytisus).

Ladizabala, crossing experiments on.

Lagerstraemia (Lagerstroemia), F. Muller on.

Lakes, Darwin on Ramsay's theory of.
-as agents in forming Parallel Roads of Glen Roy.
-of Friesland.
-Geological action of.
-Ramsay on.

Lamarck, Darwin on views of.
-difference between views of Darwin and.
-"Hist. Zoolog." of.
-Hopkins on Darwin and.
-Packard's book on.
-quotation from.

Lamellicorns, F. Muller on sexes in.
-stridulating organs of.

Lamont, James, F.G.S., F.R.G.S.: author of "Seasons with the Sea-horses;
etc.; Yachting in the Arctic Seas, or Notes of Five Voyages of Sport and
Discovery in the Neighbourhood of Spitzbergen and Novaya Zemlya,"
London, 1876; and geological papers on Spitzbergen.
-letters to.

Lampyridae, luminous organs of.

Land, fauna of sea compared with that of.
-changes in level of sea the cause of those on.

Land-birds, resting on the sea.

Land-shells, dispersal of.
-of glacial period.
-modification of.

Land-surfaces, preservation for long periods.

Landois, reference to paper by.

Language, observations bearing on origin of.
-Sir J. Herschel on study of.

Lankester, E. Ray, letter to.
-drawing of earthworm used in Darwin's book.

Lankester, E. (Senior), speech at Manchester British Association meeting
(1861), o