This is our well received text of Propertius' celebrated address to the shades of Callimachus and Philitas at 3.1.1–2:
Callimachi Manes et Coi sacra Philitae,
in vestrum, quaeso, me sinite ire nemus.
Well received it may be, but scholarly worries and disagreements about the precise meaning of sacra, and indeed about the real purpose of the address, perhaps have diverted editors' eyes from a possible corruption. I would like to suggest that the pairing of ethnic adjective and personal name, Coi and Philitae, in line 1 may not be Propertian.
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