As they will come directly to the whan at Rock et!*, the necessity (or transhipment is avoided. i For expedition" and security, thiamine, a> pa*l ' experience has proven, will be found the b-"-t n I every respect. Insurance, if at all deemed neees- I sary, can be effected on the most moderate terms. . The frequenr changes, too. incident t<> Ihe " In- I land Sea"' or Chesapeake I3av route, which i* -«'