1905.] 



Cord of the Macaque Monkey. 



117 



A4. Ratio of ike Dorsal and of the Ventrolateral Columns to the White 



Substance as a Wlwle. 



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

 the Total White Substance takeu as Unity in each Cross-section of the 

 Cord (Chart XI). 



Eegion of cord. 



Distance in cm. 

 from uppermost 



section of 

 I Lumbar region. 



Dorsal 

 columns 

 Total white 

 substance. 



Mean. 



Yentro-lateral 

 columns 

 Total white 

 substance. 



Mean. 



Dorsal (thoracic)— 



VI 



XII 



Lumbar — 



("Upper .. 

 I-l Middle.. 

 [ Lower .. 

 f Upper . . 

 II -j Middle.. 

 [Lower .. 

 f Upper .. 

 Ill 4 Middle.. 

 [Lower .. 

 f Upper . . 

 ITi Middle.. 

 [Lower .. 

 T Upper .. 

 V-j Middle.. 

 [ Lower .. 

 f Upper .. 

 VI 1 Middle.. 

 [Lower .. 



{Upper .. 

 Middle.. 

 Lower .. 



Sacral — 



("Upper .. 

 1^ Middle.. 

 [Lower .. 

 f Upper .. 

 II -j Middle.. 

 [Lower ., 

 f Upper . 

 Ill -j Middle. . 

 [Lower . 

 f Upper . 

 IV i Middle. 

 [Lower . 

 Coccygeal — 



(" Upper . 

 1^ Middle. 

 [Lower . 

 (" Upper . 

 11^ Middle. 

 [Lower . 



f c PP er • 

 1U< Middle. 

 [ Lower . 



0-142 

 0-268 

 0-608 



-846 



1 -058 

 1 -302 



1 -55S 

 1 -681 



1 "918 



2 -064 

 2 -244 

 2 -484 

 2 -608 

 2 -794 



2 -941- 



3 -154 

 3 -205 

 3 -328 

 3 -450 

 3 -.557 

 3 642 



3 -782 



3 -906 

 4-057 

 4-197 

 4-316 

 4-509 

 4-623 



4 -723 



4 -858 



4- 974 



5- 138 



5 312 



5 -486 



5- 622 

 5 -726 

 5 -847 



5 939 



6 -058 



6- 174 

 6-278 

 6 -331 



0-261 

 0-274 



0-278 

 0-287 

 0-294 

 0-301 

 0-297 

 0-292 

 -301 

 -298 

 0-291 

 0-293 

 0-281 

 0-271 

 -266 

 -258 

 0-2G0 

 0-240 

 0-240 

 -241 

 -246 

 -244 

 -240 



0-225 

 -221 

 -213 

 0-214 

 0-226 

 -231 

 -219 

 0-242 

 0-232 

 "230 

 231 

 "236 



0-215 

 0-228 

 -206 

 -201 

 0-210 

 0-199 

 0-170 

 0-145 

 0-157 



0-286 



0-297 



-297 



-282 

 I -262 

 I "240 



244 



-220 I 

 -224 



231 



-232 



-216 



0-203 



0-157 



0-769 

 0-726 



0-722 

 -713 

 0-706 

 U-699 

 0-703 

 0-708 

 0-698 

 0-702 

 -709 

 707 

 0-719 

 0-729 

 -734 

 0-741 

 0-740 

 0-760 

 "760 

 759 

 0-754 

 0-756 

 0-760 



0-774 

 779 

 -787 

 -785 

 0-774 

 0-769 

 -781 

 0-758 

 0-768 

 0-770 

 0-769 

 0-764 



0-785 

 0-772 

 -794 

 0-798 

 0-790 

 0-801 

 -830 

 -855 

 0-843 



