Natyashastra
नृत्तहस्तानतश्चोर्ध्व गदतो मे निबोधत । चतुरस्रौ तथोद्वृत्तौ तथा तलमुखौ स्मृतौ ॥ ११॥
Now understand from me the dance-hand gestures. Caturasra, Udvṛtta, and Talamukha are known as such.
english translation
nRttahastAnatazcordhva gadato me nibodhata । caturasrau tathodvRttau tathA talamukhau smRtau ॥ 11॥
hk transliteration by Sanscript