... the animal without the earthy matter of the bones, immerse a slender bone for a few days in a weak acid, (one part muriatic acid and six parts water,) and it can then be bent in any direction. ... InternetArchive/American Libraries.) A TREATISE ON ANATOMY, PHYSIOLOGY, AND HYGIENE A Treatise on Anatomy, Physiology, and by Calvin Cutter 1by their arrangement?-=-=-=-=-=-=-=-=-=-=-=-=83. The THORAX is formed by ... hydrogen, carbon, and nitrogen, arranged in different proportions. They existalready formed, and may be separated in many instances, by heat or mechanical means. The most importantcompounds are Al-bu´men,...