CHAPTER XV.

LESSONS IN PHYSIOLOGY.

The drawings finished—A short school 243 lecture—Sitting and standing—The proper position—Two illustrations—The sitting position illustrated—Curious mechanism of the backbone—How it becomes distorted—Effect of stooping upon the lungs—An experiment or two—Keeping the arms on a level—Ettie’s kitten—Whistler’s joke—The kitten missed—The search—Whistler’s sad discovery—Policy of keeping it secret—A good rule remembered—A wise decision—Confession—Whistler’s thoughtlessness—Ettie’s grief,