THE SPINAL CORD. 

 A 

 111 



T " CERVICAL 



.3RD DORSAL 



8 T " DORSALS 



IO DORSAL < 



>1|TM DORSAL 



2NO LUMBAR < 



\-7 C 



9~ 



Fig. 3. DIAGRAM SHOWING THR 



VARYING RELATIONS OF THE ROOT- 

 ORIGINS OF THE SPINAL NERVES 

 TO THE SPINES OF THE VERTEBRA!. 



(After K. W. Reid.) 



Fig. 4. A, VENTRAL (ANTERIOR) AND B, DORSAL (POSTERIOR) VIEWS OP THE MEDULLA OBLONGATA AND 

 SPINAL CORD WITH SECTIONS. (Allen Thomson. ) \ 



The cord has been divested of its membranes and of the roots of the nerves. The filiform prolonga- 

 tion, represented separately in B', has been removed. C, a transverse section through the middle of the 



