ItwasincumbentontheCaesartoprovideforthesubsistence，aswellasforthesafety，oftheinhabitantsandofthegarrisons。Thedesertionoftheformer，andthemutinyofthelatter，musthavebeenthefatalandinevitableconsequencesoffamine。ThetillageoftheprovincesofGaulhadbeeninterruptedbythecalamitiesofwar；butthescantyharvestsofthecontinentweresupplied，byhispaternalcare，fromtheplentyoftheadjacentisland。Sixhundredlargebarks，framedintheforestoftheArdennes，madeseveralvoyagestothecoastofBritain；andreturningfromthence，ladenwithcorn，saileduptheRhine，anddistributedtheircargoestotheseveraltownsandfortressesalongthebanksoftheriver。^87ThearmsofJulianhadrestoredafreeandsecurenavigation，whichConstantiniushadofferedtopurchaseattheexpenseofhisdignity，andofatributarypresentoftwothousandpoundsofsilver。TheemperorparsimoniouslyrefusedtohissoldiersthesumswhichhegrantedwithalavishandtremblinghandtotheBarbarians。Thedexterity，aswellasthefirmness，ofJulianwasputtoaseveretrial，whenhetookthefieldwithadiscontentedarmy，whichhadalreadyservedtwocampaigns，withoutreceivinganyregularpayoranyextraordinarydonative。^88
[Footnote86:Ammian。xviii。2。Libanius，Orat。x。p。279，280。
Ofthesesevenposts，fourareatpresenttownsofsomeconsequence；Bingen，Andernach，Bonn，andNuyss。Theotherthree，Tricesimae，Quadriburgium，andCastraHerculis，orHeraclea，nolongersubsist；butthereisroomtobelieve，thatonthegroundofQuadriburgiumtheDutchhaveconstructedthefortofSchenk，anamesooffensivetothefastidiousdelicacyofBoileau。SeeD\'Anville，Noticedel\'AncienneGaule，p。183。
Boileau，Epitreiv。andthenotes。
Note:Tricesimae，Kellen，Mannert，quotedbyWagner。