Rev. Cyrus Byington (born 1793, died 1867) worked as a missionary among this people before and after the removal to the Indian territory. He completed the first draft of his "Choctaw Grammar" in 1834, and an extract of it was published by Dr. D. G. Brinton.[85] His manuscript "Choctaw Dictionary," now in the library of the U. S. Bureau of Ethnology, fills five folio volumes, contains about 17,000 items (words, phrases and sentences), and was completed about 1833. The missionary alphabet used by him, which is also the alphabet of Cha'hta literature, is very imperfect, as it fails to express _all_ sounds of the language by _signs for each_, and entirely neglects accentuation. The pronunciation of Cha'hta is so delicate and pliant that only a superior scientific alphabet can approximately express its peculiar sounds and intonations.