. The physiology of domestic animals ... Physiology, Comparative; Veterinary physiology. PHYSIOLOGY OF MOVEMENT. 757 animal is never employed, but there is always a certain amount of loss from friction and other causes. As most of the contrivances which are employed to enable horses to draw weight Consist of attachments which applies the weight to the horse's shoulders, the weight falls in front of the centre of gravity of the body, and the animal may thus be regarded as pushing the weight; and as the mass moved is the animal's body plus the applied weight, the greater the latter the more the
. The physiology of domestic animals ... Physiology, Comparative; Veterinary physiology. PHYSIOLOGY OF MOVEMENT. 757 animal is never employed, but there is always a certain amount of loss from friction and other causes. As most of the contrivances which are employed to enable horses to draw weight Consist of attachments which applies the weight to the horse's shoulders, the weight falls in front of the centre of gravity of the body, and the animal may thus be regarded as pushing the weight; and as the mass moved is the animal's body plus the applied weight, the greater the latter the more the centre of gravity of the common mass will be advanced. Hence, in drawing heavy weights the fore limbs will be behind the common centre of gravity, and they, also, in their extension will aid in propelling the body. 6. Special Muscular Mechanisms.— The Voice.—By the term voice is meant the sound produced in man and the higher animals through the vihration of the column of air forced by the contraction of the thorax between the vibrating vocal cords of the larynx. Speech, of which man. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smith, Robert Meade, 1854-. Chicago, A. Eger
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