296 Explanation of [Book IX. 



c, TT, Thefe appear to be branches of the twelfth coftal 

 nerve, running between the tranfverfe and inter- 

 nal oblique mufcles. 



, This is a branch of the firft pair of lumbar nerves, 

 running likevvife between the tranfverfe and inter- 

 nal oblique mufcles. 



0-, <r, Branches of the twelfth pair of coftal nerves. 



T, T, The firft pair of lumbar nerves. 



v, A branch of the firft pair of lumbar nerves, 



<p, The fecond pair of lumbar nerves. 



fo The fecond of the lumbar nerves, joins with the 

 third, and with the upper root of the nerve i. 



4/, A nerve, marked $, on the left fide, arifing here by 

 a double origin, one from the firft pair of lumbar 

 nerves, and the other from the fecond. 



, The third of the lumbar nerves. 



T, The fourth of the lumbar nerves. 



A, A branch, which is fent from the fourth pair of lum- 

 bar nerves to join the fciatic. 



, @, The fifth pair of lumbar nerves. 



A, A, The firft pair of nerves of the os facrum. 



Sj H, The fecond pair of nerves of the os facrum. 

 That on the right fide is joined by an intermediate 

 branch with the third. 



II, IT, The third pair of nerves of the os facrum. 



i, 2, The fourth pair of nerves of the os facrum. 



$, A nerve, whofe origin is marked Y on the left fide, 

 emerging from the great pfoas mufcle, and going 

 down along with it into the groin. 



Y, A nerve, which arifes by a double origin from the 

 fecond lumbar nerve p, where its roots are cut 

 through. 



fl, A branch of the crural nerve, which is conjoined 

 into one with the nerve, vj/. 



i, A con- 



