75. It is a breach of etiquette to enter a room noisily, slamming the door, or stamping heavily upon the floor. 76. It is a breach of etiquette to make violent or abrupt movements. 77. It is a breach of etiquette to neglect calling upon your friends. "Visiting," says a French writer, "forms the chord which binds society together, and it is so firmly tied that were the knot severed, society would perish." 78. It is a breach of etiquette to select the route when walking with a lady, unless she has requested you to do so. 79. It is ill-bred to refuse the last piece on the plate or dish, if it is offered to you, as it implies a fear that there is no more in the pantry. 80. It is a breach of etiquette to undertake any commission for a friend and neglect to perform it. Forgetfulness is no excuse. 81. It is a breach of etiquette to answer a serious remark by a flippant one. 82. Practical joking is a breach of etiquette that cannot be too severely censured. 83. It is a breach of etiquette to read when there is any other person present. In the family circle, a member who opens a book should apologize for and explain his apparent rudeness, if obliged to study or refer to the volume. 84. It is a breach of etiquette to yawn. 85. It is a breach of etiquette to blow the nose loudly. 86. It is a breach of etiquette to suck the teeth. 87. It is a breach of etiquette to pick the teeth or clean the nails in company. 88. It is a breach of etiquette to speak much of your own performances. 89. It is a gross breach of etiquette to pass between two persons who are conversing together. 90. It is a breach of etiquette to pass _before_ anybody. If actually necessary, it must be done with an apology. 91. It is a breach of etiquette to urge wine upon a guest who has already declined to drink. 92. It is a breach of etiquette to write a letter of congratulation upon mourning paper, even if it is habitually used. 93. It is a breach of etiquette to call a new acquaintance by the Christian name, unless requested to do so. 94. If you write requesting an autograph, it is a breach of etiquette to omit to enclose a postage-stamp for the reply. 95. Ladies should avoid the use of strong perfumes. They are unpleasant to nauseating to some persons; and it is a breach of etiquette to annoy other people. 96. It is a breach of etiquette to lend a borrowed book, unless you have the special permission of the owner to do so. 97. It is a breach of etiquette, as well as a most dangerous experiment, to recommend remedies to an invalid who is under the care of a physician. 98. A lady commits a breach of etiquette that amounts to a gross impropriety by calling upon a gentleman, excepting upon business, at his place of business. Even relatives, unless in the immediate family, cannot receive calls from ladies at home. 99. Gentlemen should never stand upon the hearthrug with their backs to the fire, either in a friend's house or their own.