PELVIS. 181 



a. IscHiATic. — Runs through the ischiatic ligament 

 to ramify in the ischio-tibial muscles. 



h. Lateral coccygeal. — Extends backwards to tlie 

 end of the tail between the caudal vertebrae and the 

 depressor muscles of that region, giving off muscular 

 and cutaneous collaterals. 



c. Median caudal — branch from the right lateral 

 coccygeal runs between the two depressor muscles of 

 the tail ; backwards to its end, where it terminates. 



4. Iliaco-muscular or ilio-lumbar.- — Passes out- 

 wardly between the psoas iliacus and the bone that it 

 covers, and near the external angle of the ilium term- 

 inates by muscular branches. 



5. Gluteal. — E-amifying in the gluteal muscles 

 after passing outside the pelvic cavity through the 

 great sciatic notch. "^ 



a. Obturator. — Directed backwards'aua aovvuwaruis # 

 towards the obturator foramen, runs through it and ^^ 

 divides into branches to the internal crural and ischio- 

 tibial muscles ; amongst these branches we find the 

 cavernous, which creeps backwards and inwards towards 

 the crus penis, where it dips and furnishes the posterior 

 dorsal of the penis, which goes along the superior bor- 

 der of that organ to anastomose with the anterior 

 dorsal. V 4^ 



Iliaco-fb^ioral. — Passes outwards the tendon of 



kwards anoaownwai^s^ 



