The battle was first waged over the right of the Negro to be classed as a human being with a soul; later, as to whether he had sufficient intellect to master even the rudiments of learning; and today it is being fought out over his social recognition.
Thus the same object may supply a practical perception to one person and a speculative one to another, or the same person may perceive it partly practically and partly speculatively.
When looking at the evidence of feeding on large prey, you can see every size tooth from hatchling to adult in one spot. The babies may have been fed in the nest until they were full grown, like in eagles and hawks.