Page 58 of note ^* This was a convention, incidentally, which always caused trouble when the angle concerned could be either greater or less than a straight angle according to how the diagram was drawn (as with angles subtended by general arcs at the centre of a circle).

Page 59 of note ^† The miter does not subscribe to the school of thought which defines any 2 angles with a common vertex and arm as adjacent, and then has to mite “adjacent angles on the same line” for the only case which really requires a, reference.