[Footnote103:AmongthecrowdofancientsandmodernswhohavecelebratedtheedificeofSt。Sophia，Ishalldistinguishandfollow，1。Fouroriginalspectatorsandhistorians:Procopius，deEdific。l。i。c。1，Agathias，l。v。p。152，153，PaulSilentiarius，inapoemof1026hexameters，andcalcemAnnaeCommen。Alexiad。，andEvagrius，l。iv。c。31。2。TwolegendaryGreeksofalaterperiod:GeorgeCodinus，deOrigin。C。P。p。64
—74，andtheanonymouswriterofBanduri，Imp。Orient。tom。i。
l。iv。p。65—80。3。ThegreatByzantineantiquarian。Ducange，Comment。adPaulSilentiar。p。525—598，andC。P。Christ。l。
iii。p。5—78。4。TwoFrenchtravellers—theone，PeterGyllius，deTopograph。C。P。l。ii。c。3，4，inthexvith；theother，Grelot，VoyagedeC。P。p。95—164，Paris，1680，in4to:hehasgivenplans，prospects，andinsideviewsofSt。
Sophia；andhisplans，thoughonasmallerscale，appearmorecorrectthanthoseofDucange。IhaveadoptedandreducedthemeasuresofGrelot:butasnoChristiancannowascendthedome，theheightisborrowedfromEvagrius，comparedwithGyllius，Greaves，andtheOrientalGeographer。]