Commerce reports. Supplement to Commerce reports, no. 7a, 17b, 31b, 34a, 35b, 40a, 55a-b, 69a. 40a. Brazil; Bahia, by Edward Higgins; Pernambuco, by A. T. Haeberle; Rio Grande do Sul, by Samuel T. Lee; São Paulo, by Charles L. Hoover; Santos, by Carl P. Deichman.