the boyniches is incorrectly written and it should be written as "The boyniches" being its meaning:
Unknown language in which is written the Codex Boynich, the rarest book in the world, from the 15th century, of 246 handwritten pages that have not yet been deciphered. Wilfrid M. Boynich was a Lithuanian antique dealer who purchased it in 1912. By artwork that includes it seems that he speaks of medicine, Botany, biology, astrology, and cosmology. It is conserved in the library of Yale University, ( USED ). The news has jumped to the media because Siloe Spanish Publisher has been authorized by Yale University to make a facsimile ( 41 identical reproduction;