Thereisnotmuchtochoosebetweenthisandtheenrolmentofa’brevedemonstraverunt’intheusualsensebeyondthefactthatitisenteredonaRollofExchequerMemoranda。In1292amandateofKingEdwardItotheBaronsoftheExchequerisenteredinbehalfofthemenofCosteseyeinNorfolkwhocomplainedofdiversgrievancesagainstAthelwaldofCrea，thebailiffofthemanor。Thepetitionitselfisenrolledalso，anditsetsforth，thatwhereasthepoormenofthekingofthebasetenureinthemanorofCosteseyeheldbycertainusages，fromatimeofwhichmemoryrunsnohigher，aswellunderthecountsofBrittanyasunderthekingstowhomthemanorwasforfeited，nowbailiffAthelwalddistrainsthemtodootherserviceswhichoughttobeperformedbypurevillains。Theycouldsellandleasetheirlandsinthefieldsatpleasure，andheseizeslandswhichhavebeensoldinthiswayandamercesthemforselling；besidesthishemakesthemserveasreevesandcollectors，andthebailiffofthelateQueenEleanortallagedthemfromyeartoyeartopaytwentymarks，whichtheywerenotboundtodo，becausetheyarenovillainstobetallagedhighandlow。53*Suchisthesubstanceofthisremarkabledocument，towhichIshallhavetoreferagaininotherconnexions。WhatIwishtoestablishnowis，thatwehaveontheking’sownpossessionstheexactcounterpartofthe’brevedemonstraverunt。’Theinstancesadducedareperhapsthemorecharacteristicbecausethepetitionershadnoteventhestrictprivilegeofancientdemesnetoleanupon，asoneofthecasescomesfromNorthumberland，whichisnotmentionedinDomesday，andtheotherconcernstenantsofthehonourofRichmond。
Therecanbenodoubtthatthetenantryontheancientdemesnehadevenbetterreasonsforappealingtoimmemorialusage，andcertainlytheyknewhowtourgetheirgrievances。WemaytakeasaninstancethenoticeofatrialconsequentuponacomplaintofthemenofBrayagainsttheConstableofWindsor。
Braywasancientdemesneandtheking’stenantscomplainedthattheyweredistrainedtodootherservicesthantheywereusedtodo。Thejudgmentwasintheirfavour。54*
Thechiefpointisthatthewritof’Monstraverunt’appearstobeconnectedwithpetitionstothekingagainsttheexactionsofhisofficers，andmaybesaidinitsorigintobeapplicableasmuchtotheactualpossessionsofthecrownastothosewhichhadbeengrantedawayfromit。Thisexplainsaveryremarkableomissioninourbestauthorities。Althoughthewritplayedsuchanimportantpartinthelawofancientdemesne，andwassopeculiarinitsformandsubstance，neitherBractonnorhisfollowersmentionitdirectly。Theysetdown’thelittlewritofrightclose’astheonlywritavailableforthevillainsocmen。
Astheprotectioninpointofservicesisneverthelessdistinctlyaffirmedbythosewriters，andastheMonstraveruntappearsinfullworkingorderinthetimeofHenryIIIandevenofJohn，55*theobviousexplanationseemstobethatBractonregardedthecaseasonenotofwritbutofpetition，amatter，wemightsay，ratherforroyalequitythanforstrictlaw。Thusboththetwomodesofprocedurewhicharedistinctiveoftheancientdemesne，namelythe’parvumbreve’andthe’Monstraverunt，’thoughtheyattaintheirfulldevelopmentonthemanorsthathavebeenalienated，seemreallytooriginateonmanorswhichareintheactualpossessionofthecrown。