The rent of flats in these localities is lower than in other quarters of the town; while the difficulty is further met by each family preparing for itself a secret code of bell-ringing by means of which it is known whether the summons is genuine or not.

When visiting such a household late at night it is well to be acquainted with this code, or you may, if persistent, get a bucket of water thrown over you.
Also the German student is allowed to put out lights at night, but there is a prejudice against his putting out too many.

The larky German student generally keeps count, contenting himself with half a dozen lights per night.

Likewise, he may shout and sing as he walks home, up till half-past two; and at certain restaurants it is permitted to him to put his arm round the Fraulein's waist.

To prevent any suggestion of unseemliness, the waitresses at restaurants frequented by students are always carefully selected from among a staid and elderly classy of women, by reason of which the German student can enjoy the delights of flirtation without fear and without reproach to anyone.
They are a law-abiding people, the Germans..