Matsya Purana 261.25

261.25

mātṛṇāṃ lakṣaṇaṃ vakṣye yathāvadanupūrvaśaḥ.
brahmāṇī brahmasadṛśī caturvaktrā caturbhujā .. 261.24

The images of the different Mâtṛikâs should be made according to the forms of their respective Lords, viz—the image of Brahmânî should be seated on a crane having a Kamaṇḍalu and a rosary with four heads and four arms Maheśvarî should similarly be made according to the resemblance of Mâheśvara—24 25