Rasarnava 1.50

1.50

śvāno 'yaṃ jāyate devi yāvat janmasahasrakam
trikoṭijanmalakṣāṇi mārjāro jāyate rasāt
rāsabho lakṣajanmāni lakṣajanmāni vāyasaḥ //

This person is born as a dog, O Devī, for a thousand births, / then from mercury becomes a cat for three crores and a hundred thousand births, / a donkey for a hundred thousand births, and a crow for a hundred thousand births;