If she had thought of him, it would have struck her as a droll picture that he should be gradually falling behind, and looking round in search of gates: a fine lithe youth, whose heart must be panting with all the spirit of a beagle, stuck as if under a wizard's spell on a stiff clerical hackney, would have made her laugh with a sense of fun much too strong for her to reflect on his mortification. 
If she had thought of Rex, it would have struck her as a droll picture: a fine lithe youth falling behind, stuck on a stiff clerical hackney. 