Brihat Parashara Hora Shastra
पूर्ववासी नृपज्ञातिः शैलचारी रजोगुणी। पृष्ठोदयी पावकी च मेषराशिः कुजाधिपः॥ ७॥
It denotes courage. It resides in the East and is related to kings. It wanders in hills and predominates in Rajo-Gun (the second of the three constituent qualities and the cause of great activity in living beings). It rises with its back (a Prishtodaya Rāśi) and is fiery. Its ruler is Mangal.
english translation
pUrvavAsI nRpajJAtiH zailacArI rajoguNI। pRSThodayI pAvakI ca meSarAziH kujAdhipaH॥ 7॥
hk transliteration by Sanscript