Excerpt from The Philosophy of Voice: Showing the Right and Wrong Action of Voice in Speech and Song; With Laws for Self-Culture A thrush perched at the top of an ash-tree in my garden begins pouring out its full ecstasy of song at daybreak, and, with slight intervals for refreshment, ends at sunset. This will go on for two months or so, without the slightest appearance of fatigue or the slightest sign of loss of tone in voice. This is the mode of voice-production that in the following treatise I have endeavoured to induce in human beings, and define its cause. A singular proof of the use of caverns as resonators multiplying sound is found in those birds whose voices are comparatively fixed, such as the common wild duck. There is no capacity of contraction or expansion as there is in us, for the space is bone, and hen birds have it not. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.