The Attic festival calendar marks the seventh day of each month as a day sacred to this deity and names its third month after his Boedromios aspect. In certain ephebeia ceremonies, young boys would cut off their long hair and offer it to this deity to symbolically represent entering adulthood. A Theban festival in honor of this deity features a procession led by a young boy bearing an olive branch hung with the festival’s namesake plant to an altar at which he would offer a bronze tripod. This deity transformed into a (*) dolphin (-5[1])to carry Cretan priests to one of his main places of worship. The Panhellenic games held the year after the Olympic games was named for a serpent this deity purportedly slew as an (10[1])infant. For 10 points, name this patron deity of Delphi, the Greek god of light and music. ■END■ (10[1])