Anandakanda 2.1.219

2.1.219

yāsāṃ chede na raktaṃ prabhavati satataṃ prāyaśo raktabhūmau /
saṃgrāhyā bhūlatāstā viṣaharadhanadaṃ pātayettāsu sattvam /
tadyuktyā pāradendraścarati yadi samaṃ sāraṇāyantrayogaiḥ /
baddho'yaṃ koṭivedhī samaravirajate yojayedbhāskare vā //

Those earthworms, cutting which no blood comes forth, found usually in red soil,
should be collected; from them one should extract the essence that neutralises poison and grants wealth.
If, through that application, the lord of mercury wanders equally through operations with the sāraṇā apparatus,
fixed, it transmutes ten million parts into silver, or one may apply it to gold.