Abstract: Variables of the shoulder joint on adult Taihang mountains M. mulatta have been measured and calculated. The allometric analysis was made. Comparison and cluster analysis among Henan ( M. mulatta tcheliensis) , Sichuan ( M. mulatta Lasiotis) , Yunnan ( M. mulatta mulatta) , Hubei and Hunan ( M. mulatta Littoralis) provinces in China w ere made. The scapula of Taihang mountains M. mulatta is shorter than that of the monkeys of the same species living in other regions of China. Index of the insertion of deltoideus muscle is higher, the claviculo-humeral index and the brachial index are lower. The results show that morphology of the shoulder joint of Taihang mountains M. mulatta is more suitable to locomotion on the ground than that of the others. Movement of Taihang mountains M. mulatta on the ground is more frequent than that of the others and that in trees is less.

Key words: Taihang Mountains Macaca mulatta, Shoulder joint, Allometric analysis, Scapula , Cluster analysis