1905.] 



Cord of the Macaque Monkey. 



119 



A5. Ratio of the Ventro-lateral Columns to the Dorsal Columns. 

 Table XI. — Eatio of the Ventro-lateral Columns to the Dorsal Columns 

 taken as. Unity in each Cross-section of the Cord (Chart XII). 



Kegion of cord. 



Dorsal — 



VI 



XII 



Lumbar — 



f Upper 

 I i Middle 

 L Lower 

 [" Upper 

 IN Middle 

 [ Lower 



{Upper 

 Middle 

 Lower 



{Upper 

 Middle 

 Lower 

 f Upper 

 Y-l Middle 

 |_ Lower 

 (" Upper 

 VI ^ Middle 

 |_ Lower 

 f Upper 

 VII 1 Middle 

 [ Lower 

 Sacral — 



{Upper 

 Middle 

 Lower 

 [ Upper 

 11^ Middle 

 |_ Lower 



{Upper 

 Middle 

 Lower 

 f Upper 

 IV < Middle 

 L Lower 

 Coccygeal — 



I" Upper 

 1^ Middle 

 I Lower 

 (" Upper 

 11^ Middle 

 L Lower 



{Upper 

 Middle 

 Lower 



Distance in cm. 

 from uppermost 



section of 

 I Lumbal- region. 



Ventro-lateral columns. 

 Dorsal columns. 



— 



2-83 





J OO 



0-142 



2-61 



0-268 



2-48 



0-608 



2 -40 



0-846 



2 -32 



1 -058 



2-37 



1 -302 



2 -43 



1 -558 



2-31 



1 -681 



2 -36 



1 -918 



2 -41 



2 -064 



2-42 



2 -244 



2-55 



2 "184 





2-608 



2-75 



2 -794 



2-86 



2 "944 



2 -84 



3 -154 



3-16 



3 -205 



3 16 



3 -328 



3-15 



3 -450 



3 05 



3 -557 



3-09 



3 642 



3-16 



3 -782 



3-44 



3-906 



3 -51 



4 -057 



3-70 



4-197 



3-67 



4-316 



3 -43 



4-509 



3-34 



4 -623 



3-57 



4-723 



3-14 



4-858 



3-30 



4-974 



3-37 



5 -138 



3 -31 



5 -312 



3 -19 



5-486 



3-65 



5-622 



3 -39 



5-726 



3-85 



5 -847 



3 -97 



5 -939 



3-77 



6-058 



4-04 



6-174 



4-89 



6 -278 



5 -90 



6-331 



5-35 



Mean. 



2 -50 



2 -37 

 2-37 

 2-56 



2- 82 



3 -16 

 3 -10 



3 -55 



3- 48 

 3 -34 

 3-29 



3 -63 

 3 -93 

 5-38 



(Chart XII, Table XI) falls slightly 



The ratio ventro '^ atera ^ columns (A) 

 dorsal columns (P) 



from the first to the second lumbar region, is constant in the third, and 



