18i EQUINE ANATOMY. 



coccygeal vertebrae. Action: Elevates or pulls the 

 tail to one side. 



2. SACRO-coccYaEAL INFERIOR. — Sjnonjms. Depres- 

 sor coccjgis, (F). Attachments : The inferior face of 

 the caudal vertebrae. Action: Depresses or inclines 

 the tail to one side. 



3. Sacro COCCYGEAL LATERALIS. — Sjnonyms. Cur- 

 vator coccygis, (P). Attachments : The spinous pro- 

 cess of tlio last lumbar vertebrae and of the caudal 

 vertebrae. Action : Inclines the tail sideways. 



4. IscHio-coccYGEAL. — Syuonyms. Compressor coc- 

 cygis, (P). Attachments : The sacro-ischiatic liga- 

 ment, the ischiatic crest and the sides of the last sac- 

 ral and two first caudal vertebrae. Action : Depresses 

 the entire caudal appendage, 



AIVGEIOLOGY. 



Arteries. — Lateral and median caudal (see page 181). 

 Veins. — Satellites of the arteries. 



NEUROLOGY. 



Nerves — Six to seven pairs. They form by the 

 union of their branches, two long nerves, one under 

 the depressor of the tail, the other under the sacro- 

 caudal lateralis, which lose themselves into the liga- 

 ments and the muscles of the tail. 



