PREFACE. IT is most anxiously hoped that the succeeding attempt may not be found anl4llethel r divested of interest. Yet it must be confessed, tiha it would very materially encourage the confi- dence of the writer, could lie in any way be persuaded, that an excuse for the imperfections with which it abounds w would be as readily admit- ted as he is willing to acknowledge the necessity for mailing it. It will not be denied, that the op- portunities for useful investigation,