+LL. B.+(_Legum Baccalaureus_), Bachelor of Laws.
+LL. D.+ (_Legum Doctor_), Doctor of Laws.
+M.+ or +Mons.+, Monsieur.
+M.+ (_meridies_), Noon.
+m.+, Miles; Minutes.
+Mad.+, Madam. +Mme.+, Madame.
+Maj.+, Major.
+Mal.+, Malachi.
+Mar.+, March.
+Mass.+, Massachusetts.
+Matt.+, Matthew.
+M. C.+, Member of Congress.
+M. D.+ (_Medicinae Doctor_), Doctor of Medicine.
+Md.+, Maryland.
+mdse.+, Merchandise.
+Me.+, Maine.
+Mem.+, Memorandum; Memoranda.
+Messrs.+, Messieurs.
+Mic.+, Micah.
+Mgr.+, Monseigneur.
+Mich.+, Michigan; Michael.
+Minn.+, Minnesota.
+Miss.+, Mississippi.
+Mlle.+, Mademoiselle.
+Mmes.+, Mesdames.
+Mo.+, Missouri.
+mo.+, Months.
+Mon.+, Monday.
+M. P.+, Member of Parliament.
+Mont.+, Montana.