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Information on Palaeolithic bone technology from China is sparse. Here we present the results of a techno-functional analysis of a bone tool assemblage recovered from Shuidonggou Locality 12 (SDG12), layer 11, Northern China, dated to c. 12-11 cal ka BP. Six bone tool artefact types are identified: wedges, awls, spear points, a knife handle, a possible sewing implement, and a notched carpal. Two other artefacts could not be attributed to a specific type. The artefacts are made of Procapra przewalsikii , Lepus sp., Sus sp., Equus przewalskii , and unidentifiable bone fragments from medium/large size mammals. At least three methods are used to extract blanks: percussion of altered limb bones, longitudinal splitting of Sus sp. canine and large rib, and probably, the groove-and-splinter technique. Grinding and scraping are the dominant shaping techniques together with grooving, notching, polishing, drilling, flaking, and retouching. Tool type variability and function fit the hypothesis according to which the SDG12 and similar sites would be residential camps in which hunter-gatherers produced artefacts enabling them to cope with cold environmental conditions. Our results, however, indicate that not all bone tools match the expectations associated with a serial specialist production. Expedient wedges and awls may have been produced by any member of the group, and whenever the need arose. The SDG12 bone tool assemblage provides a significant contribution to our knowledge about hunter-gatherer adaptations to the Tardiglacial environments of Northern China. [ABSTRACT FROM AUTHOR]

Here we present the results of a techno-functional analysis of 17 bone tools recovered from strata 6, 5 and 3 of the Palaeolithic site of Ma'anshan Cave, Guizhou Province, southern China. Stratum 6, dated to c. 35 cal kyr BP, has yielded three sharp awls. From Stratum 5, dated to c. 34 cal kyr BP, come six probable spear points, awls and a cutting tool. Separated from these layers by a sterile horizon, Stratum 3, dated 23 cal kyr BP to 18 cal kyr BP, has yielded barbed points of two types. Bone tools were shaped by scraping, grinding, and in strata 5 and 3, finished by polishing. Ma'anshan Cave records the oldest formal bone tools from China, and amongst the oldest known evidence of indisputable barbed point manufacture outside Africa. Change in the hunting toolkit between strata 5 and 3 may indicate a shift in prey preference from medium to small size mammals and fish, which needs to be verified by supplementary analyses. The significance of this evidence is discussed in the context of what is known about the origin of bone tool technology in Africa and Eurasia. [ABSTRACT FROM AUTHOR]