124 Miss M. P. FitzGerald. The Lumbosacral-coccygeal [June 17, 

 Table XIII.— Section Area of the Ventral Horns (Chart XIII). 



.Region of cord. 



Distance in cm. 

 from uppermost 



section of 

 I Lumbar region. 



Planimeter 

 measurement 

 in sq. cm. 



Actual area 

 as calculated 

 in sq. mm. 



Dorsal (thoracic) 



VI 



XII 



Lumbar — 



[ Upper . 

 1^ Middle 

 L Lower . 

 f Upper . 

 II J. Middle 

 [Lower . 

 [ Upper . 

 III-! Middle 

 [ Lower . 

 [Upper . 

 IV -l Middle 

 [ Lower . 



{Upper . 

 Middle 

 Lower . 

 [ Upper . . 

 VI -l Middle 

 L Lower . . 

 [Upper . 

 VII < Middle 

 L Lower . . 

 Sacral — 



{Upper . 

 Middle 

 Lower . 

 [ Upper . . 

 11^ Middle 

 [_ Lower . 

 [ Upper . 

 Ill i Middle 

 I Lower . . 



{Upper .. 

 Middle 

 Lower .. 

 Coccygeal — 



[ Upper .. 

 1 1 Middle 

 |_ Lower . 

 f Upper . 

 II < Middle 

 | Lower . 

 [ Upper . . 

 III^ Middle 

 |_ Lower .. 



142 

 268 

 608 

 846 

 058 

 302 

 558 

 681 

 918 

 064 

 244 

 484 

 608 

 794 

 944 

 154 

 205 

 328 

 450 

 557 

 642 



782 

 906 

 057 

 197 

 316 

 509 

 623 

 723 

 858 

 974 

 138 

 312 



486 

 622 

 726 

 847 

 939 

 058 

 174 

 278 

 331 



2 

 4 



5 

 5 

 6 

 7 

 8 

 9 

 11 

 11 

 12 

 17 

 20 

 21 

 21 

 22 

 22 

 20 

 18 

 14 

 13 

 11 

 10 



9 

 8 

 1 

 7 



6 

 5 

 5 

 4 

 4 

 3 

 3 

 3 



2 

 2 

 2 

 5 

 5 

 4 

 

 2 

 



70 

 40 



66 

 44 

 90 

 44 

 04 

 00 

 40 

 10 

 40 

 84 

 68 

 78 

 36 

 70 

 26 

 25 

 56 

 50 

 96 



12 



42 

 44 

 00 

 28 

 38 

 16 

 70 

 00 

 70 

 48 

 20 



90 

 60 

 30 

 94 

 66 

 22 

 74 

 06 



675 

 100 



460 

 415 

 610 

 975 

 210 

 260 

 750 1 

 850 \ 

 025 J 

 350 

 210 

 420 

 445 

 590 

 675 

 065 

 563 

 640 

 375 

 990 

 720 



280 

 105 

 860 

 750 

 570 

 345 

 290 

 175 

 000 

 9250] 

 8700 I 

 8000 J 



7250] 

 6500 [ 

 5750 J 

 3712] 

 3537 [ 

 2637 J 

 1850] 



1287 y 



1000 J 



