Above: The first engraved rock discovered in the Val Camonica (Cemmo's rock No. 1). Style III (arms, etc.) superimposedon Style II (static but well drawn animals). Left: Engravings of one style are clearly superimposedon earlier pictures. Here animals of Style II are superimposed on schematic human figuresof StyleI. Oppositepage: Style IV is dated by archaic North Etruscan inscriptions. Here an inscriptiondates engravings of a hut, some human figures and a man on horseback. 33