c."
Volume XLIV., page xliii.)
-on imperfection of geological record.

Tacsonia, Darwin on flowers of.
-fertilisation by humming-birds.
-Scott's work on.

Tahiti, coral reefs of.
-Darwin on.

Tails of diluvium, in Scotland.

Tait, Prof. P.G., article in "North British Review."
-on age of world.

Tait, L., letters to.

Tait, W.C., letter to.
-on rudimentary tails in dogs and Manx cats.
-sends Drosophyllum to Darwin.

Talbot, Mrs. E., letter to.

Tandon, Moquin, "Elements de Teratologie Vegetale."

Tankerville, Lord.

Tasmania, comparison between floras of New Zealand and.
-Hooker's Flora of.
-trees of.

Taylor, W., "Life and Correspondence" of.

Tears, and muscular contraction.

Tees, Hooker on glacial moraines in valley of.

Tegetmeier, W.B., assistance rendered to Darwin by.
-letters to.

Telegraph-plant (see also Desmodium).

"Telliamed" (de Maillet), evolutionary views of.

Tendrils, morphology of.

Teneriffe, flora of.
-violet of Peak of.
-Webb and Humboldt on zones of.

Tennent, Sir J.E., on elephants' tears.
-on Utricularia.

Tentacles, aggregation of protoplasm in cells of plant-.

Teodoresco, on effect of excess of CO2 on vegetation.

Teratology, Masters on vegetable.
-Moquin Tandon on.

Terebratula.

Termites compared with cleistogamic flowers.
-F. Muller's paper on.

Terraces, Darwin on Patagonian.

Tertiary, Antarctic continent, Darwin on existence of.
-Mastodon from Shanghai.
-flora in Madeira.

Tertiary period, action of sea and earth-movement.
-island floras of the.
-Saporta's work on plants.
-succession of types during the.
-Prestwich's work on.

Testimonials, Darwin on.

Tetrabranchiata, Hyatt on the.

Thayer's "Letters of Chauncey Wright."

Theologians, Huxley on.

Theological articles, by Asa Gray.

Theology, Darwin's opinion on.

Theorising, observing and.

Theory, Darwin's advice to Scott to be sparing in use of.

Thibet, Hooker prohibited crossing into.

Thierzucht, Settegast's.

Thiselton-Dyer, Lady.

Thiselton-Dyer, Sir W., assists Darwin in bloom-experiments.
-Darwin signs his certificate for Royal Society.
-lecture on plant distribution as field for geographical research.
-letter to "Nature" from.
-notes on letter from Darwin to Bentham.
-on partial submergence of Australia.
-letters to.
-extract from letter to.
-on Darwin.

Thiselton-Dyer, Sir W., and Pr