John Floyd of Peekskill, N. Y., won out over 200 competitors and was awarded the first prize on Monday night by the Jury of Awards of the Municipal Art Society in its competition for the best architectural solution of the intersection of an avenue and a street. . . . honorable mention to Edgar A. Josselyn of 3 West Twenty-ninth Street. . . . Mr. Josselyn's design was a solution of the problem of Fifth Avenue and Forty-second Street, and provided for such an admirable approach to the public library that the committee expressed hope that the city would adopt it.