Sentence:  ... that I couldn't return her gaze directly had also to do with this unharmonious relation between body and skull, and its implication, to me, of some early misfortune, of something vital lost or beaten down, and, by way of compensation, something vastly overdone. I thought of a trapped chick that could not get more than its beaked skull out of the encircling shell. I thought of those <WSD>macrocephalic</WSD> boulders the Easter Island heads. 
Meaning of the word marked with <WSD> tags:  Having an abnormally large or elongated head.