1975年,Max Loehr为Fogg艺术博物馆有关Grenville L.Winthrop的中国古玉收藏编写了一本图录~([1])。在绪论中,详细探讨其所定义的“plastic curls”。文中从典型纹样(即今日习称的谷纹)出发,追溯其风格来源以及接续的演变序列,认为公元前8~前1世纪之间(约为春秋至西汉),此纹样共可分为12个有序的风格变化~([2])。Max Loehr的分析方法以及结论在今日看来仍深具启发性。而四分之一世纪已过, In 1975, Max Loehr wrote a catalog for the Chinese ancient jade collection of Grenville L.Winthrop at the Fogg Museum of Art ~ ([1]). In the introduction, it explores the “plastic curls” it defines. Starting from the typical pattern (now known as the Valley pattern), traces its source of style and the succession of evolution sequence, that between 8 BC before the first century (about Spring and Autumn to the Western Han Dynasty), this pattern can be divided into 12 An orderly style change ~ ([2]). Max Loehr’s analysis and conclusions seem quite instructive today. A quarter of a century has passed,