=L.S.D.=, or =£ s. d.= (said to be from L. _libra_, a balance, a pound in weight; _solidus_, a coin of the value of 25 denarii, subsequently only a half of that value; and _denarius_, a silver coin worth about 8-1/2d. Eng.), pounds, shillings, pence--that is, in any written statement of money, L. is put over pounds, S. over shillings, and D. over pence; in _printing_, £ for L. is put before the sum, as £15, s. and d. in single letter, after, as 4s. 6d. =M.= (L. _mille_), a thousand. =M.A.= (L. _magister artium_), Master of Arts, an academic title. =M.C.S.=, Madras Civil Service. =M.D.=, (L. _medicinæ_, of medicine, _doctor_, doctor), Doctor of Medicine. =M.E.=, Mining Engineer. =Mdlle.= (F. _Mademoiselle_), Miss. =Mme.= (F. _Madame_), Madam. =Mons.= (F. _Monsieur_), Mr.; Sir. =M.P.=, Member of Parliament. =M.P.S.=, Member of the Philological Society; Member of the Pharmaceutical Society. =M.R.A.S.=, Member of the Royal Asiatic Society; Member of the Royal Academy of Science. =M.R.C.P.=, Member of the Royal College of Preceptors, or of Physicians. =M.R.C.S.=, Member of the Royal College of Surgeons. =M.R.G.S.=, Member of the Royal Geographical Society. =MS.=, manuscript; =MSS.=, manuscripts. =Mus. B.=, Bachelor of Music; =Mus. D.=, Doctor of Music. =N.B.=, North British; North Britain, that is Scotland; New Brunswick; (L. _nota_, note, _bene_, well), note well, or take notice. =N.E.=, north-east; New England. =N.N.E.=, north-north-east. =N.N.W.=, north-north-west. =non obst.= (L. _non_, not, _obstante_, standing over against, withstanding), notwithstanding. =non pros.= (L. _non_, not, _prosequitur_, he follows after, he prosecutes), he does not prosecute--applied to a judgment entered against a plaintiff who does not appear. =non seq.= (L. _non_, not, _sequitur_, it follows), it does not follow. =N.P.=, notary public. =N.S.=, new style; Nova Scotia. =N.T.=, New Testament. =N.W.=, north-west. =ob.= (L. _obiit_), he died. =obs.=, obsolete. =O.S.=, old style. =Oxon.= (L. _Oxonia_), Oxford. =oz.=, ounce. =p.=, page; =pp.=, pages. =P.C.=, Privy Council or Councillor. =P.D.= or =Ph.D.=, Doctor of Philosophy. =per an.= (L. _per annum_), by the year. =per cent.= (L. _per_, by; _centum_, a hundred,) by the hundred. =pinx., pxt.= (L. _pinxit_), he or she painted it. =P.M.=, postmaster; (L. _post meridiem_), afternoon. =P.M.G.=, postmaster-general. =P.O.=, post-office; =P.O.O.=, Post-Office Order. =pp.=, pages. =P.P.=, parish-priest. =P.P.C.=, (F. _pour prendre congé_, to take leave), put on calling cards to intimate leave-taking. =pr.= (L. _per_, by), by the. =pres.=, also =preses=, _pr[)e]s´-[)e]s_; president. =prof.=, professor. =pro tem.= (L. _pro tempore_), for the time being. =prox.= (L. _proximo_), next; of the next month. =P.S.=, (L. _post scriptum_), postscript. =p.t.=, post-town. =pxt.= (L. _pinxit_), he or she painted it. =Q.= or =Qu.=, question; query.