VI. In a similar manner should he conduct himself to whose fidelity are entrusted the vessels of silver and gold, and crystal or murrha, 1299 for eating or for drinking. All these he should arrange suitably, of them all he should keep an account, and with all diligence he should make an inventory of how many and which sort of precious stones are in them. He should examine them all with great prudence; he should produce them in their proper places and on their proper occasions. And he should observe most carefully to whom he gives them, and at what time, and from whom he receives them again, lest there should occur any mistake or injurious suspicion, or perhaps some considerable loss in things of value. 1299     Murrhine vessels were first introduced into Rome by Pompey. They were valued chiefly for their variegated colours, and were extremely costly. Some think they were made of onyx stone, others of variegated glass: but most modern writers suppose that what is meant was some sort of porcelain.