Great Tantric Compendium 17.187

17.187

vāstupramāṇena tu gātrakeṇa, vamena śete khalu nityakālam |
tribhistu māsaiḥ parivṛtya bhūmau, taṃ vāstunāgaṃ pravadanti
siddhāḥ || 52 ||
bhādrādike vāsavadikśirāḥ syāt, mārgādikeṣu triṣu
yāmyamūrddhā |
pratyakśirāḥ syātkhalu phālgunanādau, jyeṣṭhādikauveraśirāḥ sa
nāgaḥ || 53 ||
yāvānkuṇḍasya vistāraḥ khananaṃ tāvadiṣyate |
khātādhike bhavedrogī khātahīne dhanakṣayaḥ || 54 ||
vakrakuṇḍe tu santāpo maraṇaṃ chinnamekhale |
mekhalārahite śoko hyadhike vittasaṃkṣayaḥ || 55 ||
bhāryāvināśakaṃ proktaṃ kuṇḍaṃ yonyā vinā kṛtam |
apatyadhvaṃsanaṃ proktaṃ kuṇḍaṃ kaṇṭhavivarjitam || 56 ||
sātvikī mekhalā pūrvā dvitīyā rājasī smṛtā |
tṛtīyā tāmasī proktā mekhalānāṃ vinirṇayaḥ || 57 ||
kuṇḍānāṃ mekhalāstrisro muṣṭimātre tu tāḥ krayāt |
utsedhāyāmato jñeyātvekārddhāṃguli sammitā || 58 ||
aratnimātrakuṇḍe tu tāstridvyekāṃgulātmikāḥ |
hastamātramite kuṇḍe vedāgninayanāṃgulāḥ || 59 ||
kuṇḍe dvihaste tā jñeyā rasavedaguṇāṃgulāḥ |
caturhaste tu tā jñeyā vasutarkayugāṃgulāḥ || 60 ||
kuṇḍe rasakare tāstu paṃktyaṣṭartvaṃgulāḥ kramāt |
vasuhastamite kuṇḍe bhānupaṃktyaṣṭakāṃgulāḥ |
daśa hastamite kuṇḍe manubhānudaśāṃgulāḥ |
vistārotsedhato jñeyā mekhalāḥ sarvato budhaiḥ || 62 ||
hoturagre yonirāsāmuparyaśvatthapatravat |
mekhalānāṃ bhavedantaḥ parito nemiraṃgulā || 63 ||
ekahastasya kuṇḍasya varddhayet tāḥ kramāt sudhīḥ |
daśahastāntamanyeṣāmarddhāṃgulavaśātpṛthak |
ekahastasya ekahastāntasya |
nābhiyonyorekamānasya dṛṣṭatvāt || 64 ||