Cornovii (Cornwall) Dumnoniorum (present day Exeter), it is likely that he only listed Roman places, not purely native sites. Of these, there has been speculation that Voliba might be a place in Cornwall and Tamara is assumed to be on the River Tamar, the border between Cornwall and Devon. Ptolemy's list is supplemented by the problematical Ravenna Cosmography, which lists sixteen names before Isca Dumnoniorum (which is listed as "scadum namorum", showing some of the problems of this source) and which have therefore been assumed to be west of Exeter. Several have been identified as most likely in Devon, leaving "purocoronavis" (the
Southern New England Telecommunications Southern New England Telecommunications Southern New England Telecommunications Corporation (SNET) started operations in 1986 as the holding company for The Southern New England Telephone Company. Prior to 1986, The Southern New England Telephone Company had been a minority holding of AT&T until February 1986, when AT&T withdrew its 23% holding. SNET then became its own company, operating a telecommunications sales division, Sonecor Systems Division, which began operations on January 1, 1983 and sold equipment in competition with AT&T before the Bell System divestiture. SNET also operated SNET America, which sold long distance services to Southern New England Telephone customers within