Priest's cap called the Apex from a basrelief on the Capitol 1; cap of a high priest of Jupiter from the Temple of Jupiter the Thunderer 2; religious cap used by Flamen priests of Bacchus 3; various knives; axe and instruments to kill sacrificial victims from Goldsmith's Arch 4; and Aspergillum made of lamb leg and horsehair used to sprinkle holy water. Copperplate engraving by Pietro Ruga after an illustration by Lorenzo Rocceggiani from his own 100 Plates of Costumes Religious; Civil and Military of the Ancient Egyptians; Etruscans; Greeks and Romans; Franzetti; Rome; 1802.