Iftheclaimantsbecitizensofdifferentstates，thecourttakesjurisdictionforthatreason。Still，therightofthestatetograntistheessentialpointindispute；andinthatpointthestateisdeeplyinterested。Ifthatinterestconvertsthestateintoaparty，thereisanendofthecause；
andtheconstitutionwillbeconstruedtoforbidthecircuitcourtstotakecognizanceofquestions，towhichitwasthoughtnecessaryexpresslytoextendtheirjurisdiction，evenwhenthecontroversyarosebetweencitizensofthesamestate。
\"Weareaware，thattheapplicationofthesecasesmaybedenied，becausethetitleoftheStatecomesonincidentally，andtheappellantsadmitthejurisdictionofthecourt，whereitsjudgmentdoesnotactdirectlyuponthepropertyorinterestsofthestate；butwedeemeditofsomeimportancetoshow，thattheframersoftheconstitutioncontemplatedthedistinctionbetweencases，inwhichastatewasinterested，andthose，inwhichitwasaparty，andmadenoprovisionforacaseofinterest，withoutbeingapartyontherecord。Incases，whereastateisapartyontherecord，thequestionofjurisdictionisdecidedbyinspection。Ifjurisdictiondepend，notonthisplainfact，butontheinterestofthestate，whatrulehastheconstitutiongiven，bywhichthisinterestistobemeasured？
Ifnorulebegiven，isittobesettledbythecourt？Ifso，thecuriousanomalyispresentedofacourtexaminingthewholetestimonyofacause，inquiringinto，anddecidingon，theextentofastate’sinterest，withouthavingarighttoexerciseanyjurisdictioninthecase。Canthisinquirybemadewithouttheexerciseofjurisdiction？
\"Thenextintheenumerationisacontroversybetweenastateandthecitizensofanotherstate。Canthiscasearise，ifthestatebenota[*3：555]