BAYSIDE, April 17---Friends of Mrs. Robert C. Cornell, wife of the Manhattan Magistrate who has a home here, rejoice to hear that she was among those rescued. She was on the Titanic in company with her husband’s sister, Mrs. E. D. Appleton, whose name is among those of the rescued. Mrs. Appleton is the wife of a well-known Bayside man and her return is anxiously awaited.