Plate I. — Forms of Muscles and Tendons. A , adductor of thigh ; B, biceps of 

 arm; L), deltoid; G, gastrocnemius; P , pronator of fore-arm; P", pectoral; R, 

 rectus abdominis; R", rectus muscle of thigh; S', serratus magnus of thorax; S", 

 semi-membranosus of thigh. 



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