...es. On leaving Pocahontas I had sent an agent of great intelligence and tact into Saint Louis to ascertain the strength of the enemy at that city, with instructions to report to me if possible at Potosi . He was, however, so closely watched that he could not join me until I had passed that city. Upon overtaking me he informed me that I would be pursued by 24,000 men from Saint Louis and 15,000 fr...