His second son, WHITELOCKE BULSTRODE (1650-1724), remained in England after
the flight of James II.; he held some official positions, and in 1717 wrote
a pamphlet in support of George I. and the Hanoverian succession. He
published _A Discourse of Natural Philosophy_, and was a prominent
Protestant controversialist. He died in London on the 27th of November
1724.
BULWARK (a word probably of Scandinavian origin, from _bol_ or _bole_, a
tree-trunk, and _werk_, work, in Ger. _Bollwerk_, which has also been
derived from an old German _bolen_, to throw, and so a machine for throwing
missiles), a barricade of beams, earth, &c., a work in 15th and 16th
century fortifications designed to mount artillery (see BOULEVARD). On
board ship the term is used of the woodwork running round the ship above
the level of the deck. Figuratively it means anything serving as a defence.
BUMBOAT, a small boat which carries vegetables, provisions, &c., to ships
lying in port or off the shore. The word is probably connected with the
Dutch _bumboat_ or _boomboot_, a broad Dutch fishing-boat, the derivation
of which is either from _boom_, cf. Ger. _baum_, a tree, or from _bon_, a
place in which fish is kept alive, and _boot_, a boat. It appears first in
English in the Trinity House By-laws of 1685 regulating the scavenging
boats attending ships lying in the Thames.
BUMBULUM, BOMBULUM or BUNIBULUM, a fabulous musical instrument described in
an apocryphal letter of St Jerome to Dardanus,[1] and illustrated in a
series of illuminated MSS. of the 9th to the 11th century, together with
other instruments described in the same letter. These MSS. are the _Psalter
of Emmeran_, 9th century, described by Martin Gerbert,[2] who gives a few
illustrations from it; the Cotton MS. _Tiberius C. VI._ in the British
Museum, 11th century; the famous _Boulogne Psalter_, A.D. 1000; and the
_Psalter of Angers_, 9th century.[3] In the Cotton MS. the instrument
consists of an angular frame, from which depends by a chain a rectangular
metal plate having twelve bent arms attached in two rows of three on each
side, one above the other. The arms appear to terminate in small
rectangular bells or plates, and it is supposed that the standard frame was
intended to be shaken like a sistrum in order to set the bells jangling.
Sebastian Virdung[4] gives illustrations of these instruments of Jerome,
and among them of the one called bumbulum in the Cotton MS., which Virdung
calls _
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