Of on kites, 345; on sails, 346. Windmills, 375. Window, oval, in ear, 272; round, in ear, 272. Wireless telegraphy, 137; advance of, 145; receiver, 140, 141; syntonic, 143; transmitter, 138, _139_. Yale lock, _436_, _437_. Yellow spot, in eye, 251. Zech, Jacob, 414. Zeiss field-glasses, 260. THE END. LONDON: PRINTED BY SPOTTISWOODE AND CO, NEW-STREET SQUARE AND PARLIAMENT STREET SIXTH EDITION. VOL. II. I. REFLECTIONS ON PRAYER AS A TEACHER 127 VII. THE SWEARING CLASS. [Illustration] [Illustration] THE LOST FOUND. [Illustration] [Illustration] THE LITTLE FLOWER-GIRL. [Illustration] [Illustration] CONTENTS. PAGE I. THE CONSTITUTION OF THE SKY, AND THE MAGIC-LANTERN. The most noteworthy results of a Soul," &c.; but he hasn't tried it, you can do.