RTar, 3, 17.1 vartulā cipiṭā mūle sthūlā cāyāmavistarā /

RTar, 3, 29.2 tanmadhye vartulaṃ chidraṃ nimnaveśe prakalpayet //

RTar, 4, 6.1 dvādaśāṅgulamukhī suvartulā sudṛḍhā ca khalu garbhavistṛtā /

RTar, 4, 55.2 prathamaṃ vartulākāraṃ droṇīrūpaṃ dvitīyakam //

RTar, 4, 56.2 bhittyā dvyaṃgulasaṃmitaḥ khalu yathā cendrāṅgulo gharṣakaḥ khalvo'yaṃ khalu vartulo nigaditaḥ sūtādisiddhipradaḥ //