Shiva Purana
वैकलो मानसश्चैव सुप्रभस्सप्तमो मुने ॥ शाल्मलेन तु वृक्षेण द्वीपः शाल्मलिसंज्ञकः ॥ ३४ ॥
O sage the seventh was Vaikala and Manasa and Suprabha The island is called Shalmali because of the salt tree.
english translation
vaikalo mAnasazcaiva suprabhassaptamo mune ॥ zAlmalena tu vRkSeNa dvIpaH zAlmalisaMjJakaH ॥ 34 ॥
hk transliteration by Sanscript