The Bohairic and Sahidic. The former has been edited by Homer, who is now also engaged on an edition of the latter.
They are found in various dialects of Coptic, the mutual relations of which are not Coptic. yet certain, but the only ones which are preserved with any completeness are the Bohairic, or Lower Egyptian, and Sahidic, or Upper Egyptian, though it is certain that fragments of intermediate dialects such as Middle Egyptian, Fayumic, Akhmimic and Memphitic also exist.
The Bohairic has been edited by G.
Horner's researches tend to show that the Greek text on which it was based was different from that represented by the Bohairic, and probably was akin to the " Western " text, perhaps of the type used by Clement of Alexandria.
It must be noted that Westcott and Hort called the Bohairic Memphitic, and the Sahidic Thebaic, and Tischendorf called the Bohairic Coptic.