Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Special acknowledgments are due J. W. Gordon, assistant libra rian of the Pennsylvania Historical Society of Philadelphia, for many courtesie's, and for assistance in furnishing manuscripts and other material; also to Professor W. G. Sumner of Yale University for important suggestions; and especially to Professor Edward G. Bourne of the same institution for constant aid and direction.