. The horse in the stable and the field: his management in health and disease ... with an essay on the American trotting horse, and suggestions on the breeding and training of trotters. Horses. 254 THE HOKSE. brain, the division into separate pieces being far more secure than if the whole were in FIQ. 1.—PROFILE VIEW OF THE HEAD AND FACE. 1 Occiput. 2. Parietal bone. S. Frontal bone. 4. Petrous portion of temporal bone. 5. Zygomatic arch. 6. Lachrymal bone. 7. Malar bone. 8. Posterior maxillary bone. 9—11. Nasal bone. 10. Anterior maxillary bone. 11. Temporal fossa. 12. 13. Lower jaw. Th
. The horse in the stable and the field: his management in health and disease ... with an essay on the American trotting horse, and suggestions on the breeding and training of trotters. Horses. 254 THE HOKSE. brain, the division into separate pieces being far more secure than if the whole were in FIQ. 1.—PROFILE VIEW OF THE HEAD AND FACE. 1 Occiput. 2. Parietal bone. S. Frontal bone. 4. Petrous portion of temporal bone. 5. Zygomatic arch. 6. Lachrymal bone. 7. Malar bone. 8. Posterior maxillary bone. 9—11. Nasal bone. 10. Anterior maxillary bone. 11. Temporal fossa. 12. 13. Lower jaw. The bones of the face, including the lower jaw and os liyoides, depend from the neural arch or brain-case much in the same way as the ribs and pelvic hones posterior to them are at- tached to the vertebrae, and though they enclose organs of less vital importance, yet they are perfectly analogous to these parts in their types and in the offices which they perform. OF THE THORACIC ARCH AND ANTERIOR EXTREMITIES. Lying in the noRSE at some distance posteriorly to the three first segments of the haemal arch (the bones of the face, lower jaw, and os hyoides), and separated from them by the neck, where there is a hiatus, the thoracic arch and anterior extremities de- pend from the vertebras corresponding to them. In many of the higher vertebrates the fore extremity is firmly united by a joint to the thorax, and may be considered with it; but in the horse it is only attached by muscles, the thorax being slung between the upper edges of the blade-bones by means of two broad sheets of muscular fibres. Hence the collar-bone is entirely absent in this animal; and thus, while he is free from dislocations and fractures of that bone, to which he would be constantly subject if it were present, he is rendered more liable to strains and rheumatic in- flammations of the muscular sling, by which freedom of action is Please note that these images are extracted from scanned page images
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Keywords: ., bookcentury1800, bookdecade1880, booksubjecthorses, bookyear1882
