DISEASES OF THE CHEST AND LUNGS. 295 



CHAPTER XII. 

 DISEASES OF THE CHEST AND LUNGS. 



a The first rib. 



6 The cartilages of the eleven hindermost, or faUe ribs, connected together, 

 and uniting with that of the seventh or last true rib. 



c The breast-bone, or sternum. 



d The top, or point, of the withers, which are formed by the lengthened 

 spinous, or upright, processes of the first ten or eleven bones of 

 the back. The bones of the back (dorsal vertebroe) are eighteen in 

 number. 



e The ribs, usually eighteen on each side ;. the first seven united to the breast- 

 bone by cartilage ; the cartilages of the remaining eleven united to 

 each other, as at h. 



f That portion of the spine where the loins commence, and composed of six 

 bones (the lumbar vertebroe). 



g The bones forming the hip, or haunch, and into the hole at the bottom of 

 which the head of the thigh-bone is received. * 



h The portion of the spine (the sacrum) belonging to the haunch, and consist- 

 ing of five pieces. 



i The bones of the tail, usually seventeen in number. 



CHEST FOUNDER. 



The muscles of the horse's breast are sometimes the seat 

 of a peculiar soreuess and swelling never satisfactorily ac- 

 counted for, and not known to be connected with any other 



