Gibbs, Sir D., on differences of the voice in different races of men. Gill, Dr., male seals larger than females; sexual differences in seals. Giraffe, its mode of using the horns; mute, except in the rutting season. Giraud-Teulon, on the cause of short sight. Glanders, communicable to man from the lower animals. Glands, odoriferous, in mammals. Glareola, double moult in.