Early the next morning we ran through the Bois-de-Boulogne and over an historic route to Versailles, where, at the headquarters of the Army Automobile Service, our cars were numbered with a military serial and the driver of each was given a _Livret Matricule_, which is an open sesame to every motor park in France. Those details were completed about ten o'clock, and we felt at last as if we were French soldiers driving French automobiles on the way to our place at the front. About thirty kilometres outside of Paris the staff car and the _camionnette_ with the cook on board dashed by us, and upon our arrival at a quaint little village we found a café requisitioned for our use and its stock of meat, bread, and red wine in profusion at our disposal. In the evening we reached the town of Esternay and there again found all prepared for our reception. Rooms were requisitioned and the good people took us in with open arms and the warmest of hospitality, but one or two of us spread our blankets over the stretchers in the back of our cars, because there were not enough rooms and beds for all. The next morning was much colder; there was some snow and later a heavy fog. Our _convoi_ got under way shortly after breakfast and ran in record-breaking time, for we wanted to finish our trip that evening. We stopped for lunch and for an inspection which consumed two hours, and starting about ten o'clock on the last stretch of our journey, drove all afternoon through sleet, cold, and snow. At seven o'clock that night we reached Vaucouleurs, had our supper, secured sleeping accommodations, and retired. Our running orders had been completed; we had reached our ordered destination in perfect form. [Illustration: SOME OF THE MEMBERS OF SECTION IV] Several days passed. We were inspected by generals and other officers, all of whom seemed pleased with the completeness of our Section. Yet improvements they said were still possible and should be made while we were at the park. We were to take care of a service of evacuation of sick in that district and at the same time try out a "heating system." The Medical Inspector issued orders to equip two ambulances and report the results. Our Section Director designed a system which uses the exhaust of the motor through two metal boxes, which arrangement warmed the air within the car and also forced the circulation of fresh air. This was installed in two cars and found to be very satisfactory, for in all kinds of weather and temperatures the temperature of the ambulances could be kept between 65° and 70° Fahrenheit. We were at this place in all six weeks, including Thanksgiving, Christmas, and New Year's. Our work consisted of evacuating _malades_, and at first it offered a fine opportunity of teaching the "green ones" how to care for their cars. But we were all soon put on our mettle.