 Food and beverage service was provided by the Lark Club, a three-car articulated food service unit (kitchen/crew dormitory car, dining room car, and tavern-lounge car from front to rear) that became known for late-night business transactions and a place to share a nightcap, and in the morning, offered a full breakfast menu.Late-night refreshments were also offered in the 400-series sleeper-buffet-lounge-observation car which had two bedrooms, a compartment and a drawing room and carried the illuminated "Lark" drumhead on the rear (and formed half of the peacetime "Oakland Lark").The two original observation cars, which had been built in April 1941, had short working lives – the 400 was wrecked at Wellsona, California on September 19, 1941, while the 401 was written off after an accident at Casmalia, California, on December 5, 1942.