there are three doors only, which are on one side, the other side being entirely shut up... there is a seat in front and one behind, each of which will hold four persons, including the driver... the open carriages have no roofs, and are divided into two whole and two half compartments, the whole compartments holding eight, and the half compartments four passengers each. when the table makes a comparison such as "lower risk" or "more convenient" the comparison is with the other drugs on the table. 