अधोलोकवर्णनम् (Adholoka-varṇana) — Description of the Lower Worlds and Cosmographic Measures
प्रचैषिणस्ते मुनयो द्वापरेष्विह जज्ञिरे / नागवीथ्युत्तरो यश्च सप्तर्षिगणदक्षिणः
pracaiṣiṇaste munayo dvāpareṣviha jajñire / nāgavīthyuttaro yaśca saptarṣigaṇadakṣiṇaḥ
Those sages called Pracaiṣiṇa were born here in the Dvāpara ages, to the north of Nāgavīthī and to the south of the host of the Seven Ṛṣis.