Spring was stealing lightly over the Connecticut hills, a shy, tender thing of delicate green winging its way with witch-rod over the wooded ridges and the sylvan paths of Diane Westfall's farm. And with the spring had come a great hammering by the sheepfold and the stables where a smiling horde of metropolitan workmen, sheltered by night in the rambling old farmhouse, built an ingenious house upon wheels and flirted with the house-maids. Radiantly the spring swept from delicate shyness into a bolder glow of leaf and flower. Dogwood snowed along the ridges, Solomon's seal flowered thickly in the bogs, and following the path to the lake one morning with Rex, a favorite St. Bernard, at her heels, Diane felt with a thrill that the summer itself had come in the night with a wind-flutter of wild flower and the fluting of nesting birds. The woodland was deliciously green and cool and alive with the piping of robins. Over the lake which glimmered faintly through the trees ahead came the whir and hum of a giant bird which skimmed the lake with snowy wing and came to rest like a truant gull. Of the habits of this extraordinary bird Rex, barking, frankly disapproved, but finding his mistress's attention held unduly by a chirping, bright-winged caucus of birds of inferior size and interest, he barked and galloped off ahead. When presently Diane emerged from the lake path and halted on the shore, he was greatly excited. There was an aeroplane upon the water and in the aeroplane a tall young man with considerable length of sinewy limb, lazily rolling a cigarette. Diane unconsciously approved the clear bronze of his lean, burned face and his eyes, blue, steady, calm as the waters of the lake he rode. The aviator met her astonished glance with one of laughing deference even as she marveled at his genial air of staunch philosophy. "I beg your pardon," stammered Diane, "but--but are you by any chance waiting--to be rescued?" "Why--I--I believe I am!" exclaimed the young man readily, apparently greatly pleased at her common sense. "At your convenience, of course!" "Are you--er--sinking or merely there?" "Merely here!" nodded the young man with a charming smile of reassurance. "This contraption is a--er--I--I think Dick calls it an hydro-aeroplane. It has pontoons and things growing all over it for duck stunts and if the water wasn't so infernally still, I'd be floating and smoking and likely in time I'd make shore. That's a delightful pastime for you now," he added with a lazy smile of the utmost good humor, "to float and smoke on a summer day and grab at the shore." "I was under the impression," commented Diane critically, "that in an hydro-aeroplane one could rise from the water like a bird. I've read so recently."