Trying to get a freight--Confederate regulations as to inward cargoes--Sympathizing speculators--Patriotism _versus_ Number One--Basis of blockade running changed from Nassau to Havana--Rigging of the market--Arrival of the _Harriet Lane_ and _Matagorda_--Attention of steamers turned to Galveston--My old friend Captain Dave turns up--His views as to costly vessels for blockade running--He invests in a cheap one--Arrangements for a second voyage