an element of the context surrounding his physical formsounds , textures , and the tastes of charged particles in air : all immutable and familiar in their consistencydescends upon the frontiers of awareness until he feels himself enclosed by invisible , albeit recognizable , borders , whose finite , impervious surfaces uphold therefrom a stack of elaborate layers to be consumed by the perceptions : layers , which , when separated to their bare components , would otherwise yield very little in any effort to anchor the wandering , fugue-induced intellect amidst the dueling currents of recollection and fancy , but which , in concert , seemed to possess a weight sufficient to arrest the drifting soul , in spite of such tides , and to moor it , as one might a sea-faring vessel , to the waiting shores of wakefulness , until the discomfited drifter was left looming listless and lurching knobby-kneed .