C. 590–570 BC: this period witnesses a lull in Attica with perhaps only two identifiable works from the beginning of the era until the second quarter of century (NAMA 3858 and 4181), this might be due to the Solonic reforms and their restriction on the extravagance of private funerals. Activity is more vigorous in Boeotia, especially those from the Ptoan sanctuary and the Orchomenos kouros (NAMA 9), early work there is probably native.[32] Also Corinth, Actium produces one of the best examples of the period (Louvre MNB 767), detailing still of in the form of grooves and ridges but there is the beginning of modeling in the full roundness of natural form. One of the more accomplished products of the time is the Thera kouros (NAMA 8), softer and less muscular in modeling it is more Ionian than Dorian though Thera was a Dorian colony. We may deduce the chronology of this period only if the dates for the Sounion and Volodmera groups are correct since there is no external evidence for the dates of this style; however, we can usefully compare the heads[33] on vase painting of middle Corinthian 600-575[34] which share the same stolid expression, flat skull, large eyes and horizontal mouth.