"As there are no depictions of the cow, in contrast to the pictures of the bull, which are abundant, should we conclude that Harappa and Mohenjo- daro had only bulls? And what about that mythical animal, the unicorn, which is the most common pictorial motif on the seals? Was the unicorn a common animal of the proto- historic Indus Valley? Surely, the presence or absence of depictions cannot point unequivocally to the animals known and decide for or against Aryanism?"