ACK`ERMANN, R., an enterprising publisher of illustrated works in
the Strand, a native of Saxony (1764-1834).


ACLAND, SIR HENRY, regius professor of medicine in Oxford,
accompanied the Prince of Wales to America in 1860, the author of several
works on medicine and educational subjects, one of Ruskin's old and tried
friends (1815).


ACLINIC LINE, the magnetic equator, along which the needle always
remains horizontal.


ACNE, a skin disease showing hard reddish pimples; ACNE
ROSACEA, a congestion of the skin of the nose and parts adjoining.


ACOEMETÆ, an order of monks in the 5th century who by turns kept up
a divine service day and night.


ACONCA`GUA, the highest peak of the Andes, about 100 m. NE. of
Valparaiso, 22,867 ft. high; recently ascended by a Swiss and a
Scotchman, attendants of Fitzgerald's party.


ACONITE, monk's-hood, a poisonous plant of the ranunculus order with