I therefore supposed that Mrs. Jellyby was not at home, and was quite surprised when the person appeared in the passage without the pattens, and going up to the back room on the first floor before Ada and me, announced us as, "Them two young ladies, Missis Jellyby!" 
This person now appeared in the passage without the clogs, and going upstairs before Ada and me, announced us as, "Them two young ladies, Missis Jellyby!" 