摘要
鲜卑各部的南迁传说在形态结构、内容母题上高度相似,并可与乌桓、柔然等族部原出漠北的传说印证,这是其同属东胡族系的体现.这些传说均强调自身原出漠北,肯定南迁对其族部组织和性格特点定型的关键作用,其中叠压了东胡的族源记忆和乌桓、鲜卑相关族部的史前史、孕育史和形成史,又反映了这些族部从传说时代进入历史时期以后对所承传统的梳理.揭示这种叠压了多重时空内涵的状态,是合理抉发诸南迁传说所寓史影,适当解读《魏书·序纪》内容的关键所在.
Abstract
The legends of the southward migration of various Xianbei tribes are highly similar in morphological struc-ture and content motifs,confirming the belief that Wuhuan,Rouran and other tribes all originated from Mobei,belonging to the Donghu groups.These legends all emphasize that they originally came from Mobei,affirming the key role of southward migration in shaping their tribal organization and personality characteristics.Moreo-ver,the legends not only superimpose the memory of Donghu's origins,and the prehistory,birth history and formation history of Wuhuan and Xianbei related tribes,but also reflects the sorting out of inherited traditions by these tribes from the legendary era into the historical period.Revealing this state of overlapping multiple time and space connotations is the key to reasonably discover the historical shadow of the legend of the south-ward migration and to properly interpret the content of the"Preface"of The Book of Wei.