"The cars furnished the Post Office Department and those furnished the express companies differ very materially. The former are built according to specifications furnished by the Department, and are fully equipped with letter cases, paper racks, drawers, and lockers for registered mail and supplies, and all of the equipment necessary for the distribution of mail en route. The cars furnished the express companies have very little, if any, interior furnishings, and are more like the cars used for the transportation of baggage. In both cases the cars used are owned by the railroad company. "The number of employees transported for the Post Office Department is very much greater than for the express companies. There are frequently five or six clerks in the postal cars, and on fast mail trains, where there are two or three working cars to a train, the number runs up as high as 23. The express seldom requires more than two men in a car. "The Post Office Department claims as much space at depots without specific payment therefor as may be required for the storing and handling of mail in transit. The express companies are required to pay the railroad companies for all space used at depots. "On smaller lines a separate apartment must be furnished for the mails other than baggage mails. The express matter is usually placed in the baggage car. "Upon arrival at terminals the railroad company may be required to unload a mail car, if the quantity is such as to impose a hardship upon the clerks, and to see that it is loaded into the contractor's wagons; or, if the terminal service devolves upon the railroad company, that it is delivered into the post office. The express company unloads and handles its own matter. "The railroad and express companies frequently use a joint employee to handle baggage and express, thereby economizing in cost of help. That can very seldom be done in connection with the postal service.