Astanga Hrudaya
तत्रैकां, द्वे तथाऽऽवर्तौ, चतस्त्रश्च कचान्तगाः। सप्तैवं वर्जयेत्तासाम् कर्णयोः षोडशात्र तु॥३१॥
out of them, the one located at the sthapani, two at the avarta, four at the border line of the hair - these seven should be avoided in the ears there are sixteen;
english translation
tatraikAM, dve tathA''vartau, catastrazca kacAntagAH। saptaivaM varjayettAsAm karNayoH SoDazAtra tu॥31॥
hk transliteration by Sanscript