dynasty, was the brother of SELENE (q. v.) and EOS (q. v.); a god
of the brood of the TITANS (q. v.), and the source of light to both gods
and men; he rises from the bosom of OKEANOS (q. v.) in the morning, and
loses himself in his dark abyss every evening.

HELIOTROPE or BLOODSTONE, a variety of quartz (chalcedony or
jasper) of a deep green colour, with bright red spots. The finest
specimens, which come from South Asia, are of fairly translucent
chalcedony; those of jasper are opaque; they are used as seals,
ring-stones, &c.

HELL FIRE, the infinite terror to a true man, the infinite misery
which he never fails to realise must befall him if he come short in his
loyalty to truth and duty.

HELL GATE or HURL GATE, a narrow pass in the East River,
between the city of New York and Long Island; at one time its hidden
shoals and swift narrow current were dangerous to ships, but extensive
blasting operations, completed in 1885, have greatly widened and cleared
the pass.

HELLAS, the name of the abode of the ancient Greeks, and of greater
extent than Greece proper.

HELLE, a maiden who, with her brother Phrixus, fled on the
golden-fleeced ram to escape from the cruelty of her step-dame Ino, and
fell into the strait called the Hellespont after her, in which she was
drowned. See GOLDEN FLEECE.

HELLENISTS, originally Jews who would fain have seen Jewish thought
and life more or less transformed in spirit as well as fashion after a
Greek pattern; eventually those who by contact with Greek civilisation
became Grecianised, and were open to learn as much from the civilisation
of the Greeks as was consistent with the maintenance in their integrity
of the principles of their own religion.

HELLER, STEPHEN, a distinguished pianist and composer, born at
Pesth; made his _debut_ at nine, and by 17 had won a reputation
throughout the great cities of Europe; in 1838 he settled in Paris, and
gave himself to teaching and composition; he ranks beside Chopin as a
master of technique; his works are almost entirely pianoforte pieces
(1814-1888).

HELMHOLTZ, HERMANN VON, an eminent German scientist, born at
Potsdam, Brandenburg; was first an army doctor, and in 1849 became
professor of Physiology in Koenigsberg, and subsequently in Bonn and
Heidelberg; in 1871 he became professor of Physics in Berlin; was
ennobled, and in 1887 nominated head of the Charlottenburg Institute; to
physiology he made contributions of great v