ten o'clock at night
`` Ah ! I 've heard you are a scholard , '' said Dick , `` but you wo n't make out this ; there 's some new preparation of mercury , and there 's musk , and there 's horehound , and there 's a neutral salt : and dal his old head that wrote it ! '' `` Hold your jaw , and listen , while I construe it to you . _ ` Die Mercurii , _ on Wednesday -- _ decima hora vespertina , _ at ten o'clock at night -- _ eat in Musca : ' _ what does that mean ? _ ` Eat in Musca ? ' _ I see ! this is modern Latin with a vengeance .