Natyashastra
आविद्धेन तु पादेन बाह्यभ्रमरकं तथा । वामसूच्या त्वतिक्रान्तं भुजङ्गत्रासितं तथा ॥ २१३॥
With the foot turned out, the external bee posture should be performed, and with the left index finger, the overstepping gesture should be made, followed by the frightened serpent posture.
english translation
Aviddhena tu pAdena bAhyabhramarakaM tathA । vAmasUcyA tvatikrAntaM bhujaGgatrAsitaM tathA ॥ 213॥
hk transliteration by Sanscript