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mysterious rites

Source: here.

The village school master, and master of the mantra-shAstra possessed many a mysterious mantra. The most mysterious was a manuscript of a tantric from around 900 AD from Uttaranchal which had in an archaic script a whole collection of mantra-s, some found no where else.
The pishAchi prayogas: 1) pishAchI karNagR^ihyA 2) pishAchI aulumbinI 3) pishAchI kR^iShNamukhI 4) kharamukhI
The pishAcha prayogas: 1) pishAcha pilupAla 2) karNa-pishAcha 3) kR^iShNa pishAcha 4) kR^iShNa-sAra pishAcha 5) munidhara pishAcha 6) alagupta
Other prayogas:

mahiShAnana prayoga (agents of dhUmAvatI) 2) krodhavArAhI prayoga 3) ChinnamastA prayoga 4) mahAmAyA 5) gaNa chakra vidhi 6)kurukullA and vArAhI mAraNa prayogas.