Antonio Martina, 53 Carolina Street, Buffalo, N.Y. 11 years old last summer. Attends School #1. He, and a 13-year-old sister worked in sheds of Ellis-Canning Factory, Brant, N.Y., snipping beans at 1 cents a pound. Left for the country in May, returned late in September, losing about 7 weeks of school. He sells papers reluctantly.