THE most delightful thing about our engagement is that everybody is so pleased with it.” Amy Townsend said this, smiling down at her lover, who, full length on the grass beside her, leaned on his elbow, watching her soft hair blowing across her forehead, and the color of the sun flickering through the shadows, hot on her cheek; for she had closed her fluffy white parasol and taken off her hat here under an oak-tree on the grassy bank of the river.