Old Permic alphabet by usual writing. The inclusion of the latter aided the alphabet in greater acceptance among the medieval Permic speakers of the time. The alphabet was in use until the 17th century, when it was superseded by the Cyrillic script. Abur was also used as cryptographic writing for the Russian language. April 26, which is the saint's day of Stephen of Perm, is celebrated as Old Permic Alphabet Day. The Abur inscriptions are among the oldest relics of the Uralic languages. Only one of them has earlier documents: Hungarian, which had been written using the Old Hungarian script first before the
Cyril Crossland papers result from his stay on the Sudan Coast; his large manuscript on the biology and cultivation of the pearl oyster never found publication. The World Register of Marine Species lists 67 marine species named by Crossland, many of which have become synonyms. Sixty marine species were named after him with the epithet "crosslandi". Cyril Crossland Cyril Crossland (1878 – 1943) was an English zoologist. He worked as an assistant to Charles Eliot. He studied several groups of marine animals, especially the Protozoa, Corals and Molluscs. Cyril Crossland (1878-1943) was born in Sheffield, the son of landscape painter James Henry