"Marjorie Marjorie Dean " The black-eyed girl in the runabout accompanied her high-pitched call by a gradual slowing down of the smart little car she was driving. The dainty, white-gowned figure on the sidewalk tilted a white parasol over one shoulder and turned a pair of startled brown eyes in the direction of the voice. "Why, Mignon, I didn't know you were home from Severn Beach How do you do?" Advancing to the runabout, Marjorie Dean stretched forth a white-gloved hand.