Matsya Purana 286.11

286.11

saumyā tileṣu saṃsthāpyā śaṅkhinī nidhisaṃsthitā.
māheśvarī vṛṣārūḍhā navanīte triśūlinī .. 286.10

The Goddess Śaṅkhinī should be located in the north on a mound of sesamum and in the N.-E. corner should be placed the image of the Goddess Māheśvarī riding a bull and holding a trident, on a seat of fresh butter.—10.