40 EQUINE ANATOMY. 



HYOID. 



Two elastic cartilages, between styloid bone and temporal. 

 Two capsular ligaments, between body and lesser cornua. 



Motion. 



Amphiarthrodial. 



THORAX. 



COSrO-VERTEBRAL. 



Two convex facets on head of ribs and two depressions in 

 vertebrae, in front and behind, also in the intervertebral sub- 

 stance. 



Ligaments. 



Interarticular, from head of rib to intervertebral disk, none in 

 first, and sometimes not in second articulation. 



Inferior (stellate), of three fasciculi, running to vertebrae in 

 front and behind and intervertebral substance. 



Two capsiUar ligaments, one in front and one behind the inter- 

 articular ligament. 



COSTO -TRANSVER SE . 



Between facet on tuberosity of rib and dorsal transverse pro- 

 cesses. 



Anterior costo -transverse or intei'osseous. 

 Posterior costo-transverse. 

 One synovial membrane. 



CHONDRO-STERNAL. 



Eight upper ribs, with sternum, by cartilages. 



Superior chondro-sternal. 



Inferior chondro-steiiial. 



The articulations of the first two ribs run into each other. 



CHONDRO- COSTAL. 



Implantation of a cartilage, on the one in front, by means of 

 diarthrodial facets. 



Their movements are obscure. 



