'The veins that run through the throat to the head can be
discerned and traced in the neck as large ones; and from each one of
the two, where it terminates, there branch off a number of veins to
the head; some from the right side towards the left, and some from the
left side towards the right; and the two veins terminate near to
each of the two ears. There is another pair of veins in the neck
running along the big vein on either side, slightly less in size
than the pair just spoken of, and with these the greater part of the
veins in the head are connected. This other pair runs through the
throat inside;