First we draw the axes. We'll have Borogoves be on the first (x) axis, and Mome Raths on the second (y) axis. If the Mome Raths ask, however, tell them we're putting them on the first axis. You do not want to offend a Mome Rath.
Since the smallest value we ever see for Mome Raths is 68, we'll use the funny jagged line to skip some numbers on the y-axis: