Does Isabella have feelings for Captain Tilney? She dances with him in Ch. 16 and disparages it to Catherine but obviously enjoyed the attention: “My spirits are quite jaded with listening to his nonsense: and then, being such a smart young fellow, I saw every eye was upon us.” In Ch. 18 Isabella is obviously looking for Captain Tilney in the Pump-room where he treats her with the same sort of intimate flattering banter that she showers on everyone else:

Catherine, looking up, perceived Captain Tilney; and Isabella, earnestly fixing her eye on him as she spoke, soon caught his notice. He approached immediately, and took the seat to which her movements invited him. His first address made Catherine start. Though spoken low, she could distinguish, “What! Always to be watched, in person or by proxy!” (Ch. 18)

Twice Isabella tells Catherine what Captain Tilney has told her and I don’t remember her parroting James in the same manner. First in Ch. 18: “I am amazingly absent; I believe I am the most absent creature in the world. Tilney says it is always the case with minds of a certain stamp.” His assertion minds of a certain stamp are always amazingly absent seem to me to be an insult but Isabella does not recognize it. Second, after assuring Catherine she would not wish to hurry her into an engagement with John:

Take my word for it, that if you are in too great a hurry, you will certainly live to repent it. Tilney says there is nothing people are so often deceived in as the state of their own affections, and I believe he is very right. Ah! Here he comes; never mind, he will not see us, I am sure.” (Ch. 18)

I have never been convinced Isabella has any real feelings for James but it seems she might be regretting her engagement. I am suspicious that she does have regard for Captain Tilney. If Henry is correct his brother has no honorable designs on Isabella, “The mess–room will drink Isabella Thorpe for a fortnight” but does she understand it? Is Isabella being taken in as she took in James?