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
Isca Greenfield-Sanders Isca Greenfield-Sanders Isca Greenfield-Sanders (born 1978) is an American figurative/landscape painter based in New York City. Greenfield-Sanders was born in New York City to lawyer, Karin and photographer, Timothy Greenfield-Sanders. She grew up in New York City's East Village surrounded by artists, her paternal grandmother is concert pianist and teacher Ruth W. Greenfield, her maternal grandmother is Leider singer, Isca Sanders, her maternal grandfather is painter Joop Sanders, her sister is filmmaker, Liliana Greenfield-Sanders and her uncle is steel sculptor, John Sanders. In 2000 she received a B.A. in math and a B.A. with honors in visual arts from Brown