By a curious chance you came upon her tresses.

The man in the road was undoubtedly some friend of hers--possibly her fianc繝ｻ-and no doubt, as you wore the girl's dress and were so like her, he was convinced from your laughter, whenever he saw you, and afterwards from your gesture, that Miss Rucastle was perfectly happy, and that she no longer desired his attentions.

The dog is let loose at night to prevent him from endeavouring to communicate with her.

So much is fairly clear.

The most serious point in the case is the disposition of the child." "What on earth has that to do with it ?" I ejaculated.
"My dear Watson, you as a medical man are continually gaining light as to the tendencies of a child by the study of the parents.