d near.

Beech, in Chonos I.
-in T. del Fuego and Chili.
-Miquel on distribution.

Bee-Ophrys (Ophrys apifera), see Bee-Orchis.

Bee-Orchis, Darwin's experiments on crossing.
-fertilisation.
-self-fertilisation.
-intermediate forms between Ophrys arachnites and.

Bees, combs.
-Haughton on cells of.
-and instinct.
-referred to in "Descent of Man."
-New Zealand clover and.
-acquisition of power of building cells.
-Darwin's observations on.
-agents in fertilisation of papilionaceous flowers.
-as pollen collectors.
-difference between sexes.
-H. Muller on.
-and parthenogenesis.
-regular lines of flight at Down.

Beet, graft-hybrids.

Beete-Jukes, alluded to in De la Beche's presidential address.

Beetles, bivalves distributed by.
-Forel's work on.
-nest-inhabiting.
-stag-.
-stridulating organs.

"Befruchtung der Blumen," H. Muller's, the outcome of Darwin's
"Fertilisation of Orchids."

Begonia, monstrous flowers.
-B. frigida, Hooker on.

Begoniaceae, genera of.

Behring Straits, spreading of plants from.

Belize, coral reefs near.

Bell, on Owen's "Edinburgh Review" article.

Bell, Sir C., "Anatomy of Expression."

Belt, T., on conspicuously coloured animals distasteful to birds.
-letter to.
-"The Naturalist in Nicaragua."

Ben Nevis, Ice-barrier under.

Benson, Miss, on Chalazogamy in Amentiferae.

Bentham, George (1800-83): son of Sir Samuel Bentham, and nephew of Jeremy,
the celebrated authority on jurisprudence. Sir Samuel Bentham was at first
in the Russian service, and afterwards in that of his own country, where he
attained the rank of Inspector-General of Naval Works. George Bentham was
attracted to botany during a "caravan tour" through France in 1816, when he
set himself to work out the names of flowers with De Candolle's "Flore
Francaise." During this period he entered as a student of the Faculte de
Theologie at Tours. About 1820 he was turned to the study of philosophy,
probably through an acquaintance with John Stuart Mill. He next became the
manager of his father's estates near Montpellier, and it was here that he
wrote his first serious work, an "Essai sur la Classification des Arts et
Sciences." In 1826 the Benthams returned to England, where he made many
friends, among whom was Dr. Arnott; and it was in his company that Bentham,
in 1824, paid a long visit to the Pyrenees, the fruits of which was his
first bo