Procopius represents the practice of the Gothic court of Ravenna (Goth. l. i. c. 7;) and foreign ambassadors have been treated with the same jealousy and rigor in Turkey, (Busbequius, epist. iii. p. 149, 242, etc.,) Russia, (Voyage D'Olearius,) and China, (Narrative of A. de Lange, in Bell's Travels, vol. ii. p. 189 - 311.)