The Senate is now divided into between fifty and sixty committees, but the number varies from session to session. The principal committees are those on (1) Foreign Relations, (2) Privileges and Elections, (3) Judiciary, (4) Commerce, (5) Finance, and (6) Appropriations. The Senate selects the members for the different committees by ballot, though it is pretty well determined beforehand how each committee shall be constituted by means of party caucuses (informal meetings of members of the same party to determine upon lines of action that will be supported by all). A committee is always composed of an odd number of members, and both political parties are always represented on every committee, though the majority is, in almost all cases, from that party which has the majority of the members of the Senate.
The House of Representatives is organized into sixty committees, ranging, in their number of members, from thirteen down. As regards party representation, their constitution is similar to that of the Senate Committees. The Committee of “Ways and Means,” which regulates customs duties and excise taxes, is by far the most important.
Other important committees are those on (1) Elections, (2) Appropriations, (3) Judiciary, (4) Foreign Affairs, (5) Manufactures, (6) Commerce, (7) Labor. Every Representative is on one committee, and most of them on several. Unlike the custom in the Senate, in the House the presiding officer has the sole power of appointment, which makes him, next to the President, the most important and powerful government official. The chairman of each committee has, of course, a large power over affairs with which his committee is concerned, and for this reason it is often said that it is the chairmen of these committees who rule the land.