194 PATTEN AND REDENBAUGH. 



nerves arise; the first one anastomoses with the twelfth intestinal nerve; the 

 second enters the longitudinal abdominal muscles; and the third enters the 



intestine. 



From the fifteenth haemal nerve (/..«.'=) an intestinal branch {i.n. ') arises, 

 which goes posteriorly close to the intestine, gives several branches to this organ, 

 and then anastomoses with the intestinal branch {i.n}^) of the last neuromere. 



The last intestinal branch {Ln}^) innervates the rectum and anal muscles {La. 

 and j.a.). 



