PLONGEE, plON'AV ? Fr., plunged). In military science, a term meaning a slope toward the front. The plonge'e of a shell in artillery fire is that part of the curve of the trajectory between its highest altitude and the point at which it strikes the earth. In fortification the plong5e is the superior slope of the parapet toward the front. The slope of the latter varies from 1 in 9 to I in 4.
PLoNNIES, LUISE 'ox (1803-72). A German lyrist and religious poet, born at Darm stadt. Her sketches of travel in Belgium, pub lished in 1847, won her election to the Brussels Royal Academy. Her lyric ability is best shown by her translations: Britannia (1843). Englisehe Lyriker des 19. Jahrhunderts (1863), though some of her original works have merit, such as Gediehte ( 1844) ; a sonnet sequence. Abulard Heloise ( 1849) ; and Die sleben Ruben (1862; 3d ed. 1866). Of her religious poems the best known cure: Lilian a uf dent Fclde (1864) ; a drama, Maria Magdalena (1870) ; and David (1873).
PLeiNNIES, WILIIELM voN (1828-711. A German military writer, son of Luise von Pl3nnies. He was born in Darmstadt, entered the Hessian infantry at sixteen. fought in the campaign of IS4S-49 in Baden, and resigned in 1861. In belles-lettres he made himself known by a of Kudrna (1S53). by the poems ha ?aorta/ea des SO/Lac/We/des (1870) and gehdraa enlicder (1871), and by a humorous novel, Lcbcn, Wirkcn and Elide des Generals Lebcrecht race Knopf (1869; 2d ed. 1577; written under the pseudonym Ludwig Siegrist ). His works on fire arms are very valuable. They include: ??tudien iiber die gczogene Feurricali( der [(Ilan tcrie (1861-64). Das Zilndnadqyeicchr (1865), Hinterladungsgewehre (186i). and, with \Vey gandt, Die deutsche Geteehrfrage (1871).