THE GREEK PERIOD
away with the archives of the various departments of public service, and sometimes at least, a document had to be deposited in two copies, one in the Metroon and one in the department archive. As early as 407 B.C. (CIA I 324) reference is made to two copies of a document and it has been argued that one of these was for the chief archive, the other for the "Logisterion" (auditor's office) as later in Alexandria two copies had to be deposited one in the Hadrian "library," the other in the Nana library—the latter being inferior to (though perhaps older than) the Hadrian.
Where place, room, or building, or collection as a collection, is meant, it is spoken of sometimes by the name of the department or the building itself (Metroon), sometimes as the "phylactery" of laws, of documents and, later, of charters or of books. Later too it is the "library" or "library of public documents" and
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