+अध्यग्नि

दि॒वि नाको॒ नामा॒ग्नी र॑ख्षो॒हा।

Rhino ride

rhino manifestation of viShNu is described as having fiery form – epithets of agni are used. This could have resulted in the identification of ekashR^i~Nga viShNu with agni or skanda on a rhino. - MT