Schuyler Colfax (R) President pro tempore: Henry B. Anthony (R) House of Representatives Speaker: James G. Blaine (R) Republican Conference Chairman: Robert C. Schenck and Nathaniel P. Banks Democratic Caucus Chairman: William E. Niblack and Samuel J. Randall Members This list is arranged by chamber, then by state. Senators are listed then by class and representatives are listed then by district. Skip to House of Representatives, below Senate Senators were elected by the state legislatures every two years, with one-third beginning new six-year terms with each Congress. Preceding the names in the list below are Senate class numbers, which indicate the cycle of their election. In this Congress, "Class 1" meant their term began in this Congress, facing re-election in 1874; "Class 2" meant their term ended in this Congress, facing re-election in 1870; and "Class 3" meant their term began in the last Congress, facing re-election in 1872. Alabama 2. Willard Warner (R) 3. George E. Spencer (R) Arkansas 2. Alexander McDonald (R) 3. Benjamin F. Rice (R) California 1. Eugene Casserly (D) 3. Cornelius Cole (R) Connecticut 1. William A. Buckingham (R) 3. Orris S. Ferry (R) Delaware 1. Thomas F. Bayard (D) 2. Willard Saulsbury Sr. (D) Florida 1. Abijah Gilbert (R) 3. Thomas W. Osborn (R) Georgia 2. Homer V. M. Miller (D), from February 24, 1871 3. Joshua Hill (R), from February 1, 1871 Illinois 2. Richard Yates (R) 3. Lyman Trumbull (R) Indiana 1. Daniel D. Pratt (R) 3. Oliver H. P. T. Morton (R) Iowa 2. James W. Grimes (R), until December 6, 1869 James B. Howell (R), from January 18, 1870 3. James Harlan (R) Kansas 2. Edmund G. Ross (R) 3. Samuel C. Pomeroy (R) Kentucky 2. Thomas C. McCreery (D) 3. Garrett Davis (D) Louisiana 2. John S. Harris (R) 3. William P. Kellogg (R) Maine 1. Hannibal Hamlin (R) 2. William P. Fessenden (R), until September 8, 1869 Lot M. Morrill (R), from October 30, 1869 Maryland 1. William T. Hamilton (D) 3. George Vickers (D) Massachusetts 1. Charles Sumner (R) 2. Henry Wilson (R) Michigan 1. Zachariah Chandler (R) 2. Jacob M. Howard (R) Minnesota 1. Alexander Ramsey (R) 2. Daniel S. Norton (R), until July 13, 1870 William Windom (R), July 15, 1870 – January 22, 1871 Ozora P. Stearns (R), from January 22, 1871 Mississippi 1. Adelbert Ames (R), from February 23, 1870 2. Hiram R.