Natyashastra
मृगशीर्षः परो ज्ञेयो हस्ताभिनययोक्तृभिः । काङ्गुलकोऽलपद्मश्च चतुरो भ्रमरस्तथ ॥ ६॥
Mṛgaśīrṣa, Kāṅgula, Alapadma, Catura, and Bhramara are to be known as hand gestures prescribed for acting.
english translation
mRgazIrSaH paro jJeyo hastAbhinayayoktRbhiH । kAGgulako'lapadmazca caturo bhramarastatha ॥ 6॥
hk transliteration by Sanscript