The power of the primitive is so strong, that Buck heard the call of the wild physically and mentally. Sometimes after long and arduous days Buck would sit by the fire lazily and dreamily imagines a caveman. “Buck could see many gleaming coals, two by two, always two by two, which he knew to be the eyes of great beasts of prey.” (London 50) When Buck imagined the caveman it showed that the power of the primitive was so strong that it was heard and thought of.
The final example of Buck’s retrogression was evident when the power of the primitive that was so strong in Buck, grasped him and took such a toll on him that he needed to answer it. Each time Buck heard the call of the wild it got stronger and more frequent to point where Buck couldn’t resist. “... The strain of the primitive, which the Northland had aroused in him remained alive and active.” (London 76) If Buck would not have been taken to the Northland, he would have never retrogressed into the primordial and primitive beast, due to the power of the