Charles Eussell Bardeen 217 



TABLE III. 

 Origin of the Most Distal Abdominal Nerve Entering the Rectus Muscle. 



Nerve arose from the XIX spinal nerve in 2 instances 1-8^ 



Nerve arose from the XX spinal nerve and from a communicatiuii- branch from 



the XIX in 7 instances 6.3 



Nerve arose solely from the XX spinal nerve in 89 instances 79. .5 



Nerve arose from the XX and XXI spinal nerves through anastomosis in 5 



instances 4.5 



Nerve arose solely from the XXI spinal nerve in 9 instances 8.0 



TABLE IV. 

 Number of Spinal Nerves Distributing Branches to the Abdominal Muscles. 

 7 nerves contribute : 



1st abd. nerve from XV spinal, last nerve to rectus from XX spinal, 



inguinal from XXI spinal 10 instances 



6 nerves contribute : 



1st abdominal from XVI spinal, last nerve to rectus from XX spinal, 



inguinal from XXI spinal 4 " 



5 nerves contribute : 



1st abd. nerve from XVI spinal, last nerve to rectus from XX spinal, 



inguinal from XX spinal 2 " 



