Read it through once

While Miss Skiffins was taking off her bonnet (she retained her green gloves during the evening as an outward and visible sign that there was company), Wemmick invited me to take a walk with him round the property, and see how the island looked in wintertime. Thinking that he did this to give me an opportunity of taking his Walworth sentiments, I seized the opportunity as soon as we were out of the Castle.