Single fol. fragment. A colophon attributes it to Bhogavajra (Sambhogavajra?), an Indian who seems to have visited Tibet near the end of the 12th century. Slob dpon Dpal Longs spyod rdo rjes mdzad pa'i rtsa'i 'khor lo bskyed pa dang gnas pa dang rang gi ngo bo zhes bya ba'i le'ur bcad...[illeg.]. On yogic physiology. See also v362, below. (Dan Martin's Hurried Notes)