PROGRESS IN THE KNOWLEDGE OF THE GENDER IN EMBRYOLOGY. In studying the bulk of statistical records, it becomes evident that 10% of married couples remain childless. In the case of high aristocracy the percentage is even more unfavourable. The cause of this deficiency can be traced back to different reasons. It must be admitted that in not a few cases this condition is the wish and intention of both partners in marriage.
In gratitude the parents have sent on to me several patients. One of them was on old German soldier suffering from severe asthma. The origin of his trouble, he said, was the cold and damp during the War. He never had asthma before.