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



(e) Section Area of the Ventro-laMral Columns. (A). 



Table V. — Section Area of the Ventro-lateral Columns (Charts II 



and VIII). 



Kegion 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 . 

 I J. Middle 

 [ Lower . 

 f Upper . 

 II I Middle 

 [ Lower . 

 f Upper . 



III i Middle 

 [Lower . 

 ( Upper . 



IV J. Middle 

 [ Lower . 

 ("Upper . 



V < Middle 

 J_ Lower . 

 f Upper . 

 VI 1 Middle 

 [ Lower . 

 [ Upper . 

 VII i Middle 

 [ Lower . 

 Sacral — 



f Upper . 

 I < Middle 

 [ Lower . 

 f Upper . 

 II -l Middle 

 |_ Lower . 

 f Upper . 



III < Middle 

 [Lower . 

 (" Upper . 



IV -l Middle 

 [Lower . 



Coccj-geal — 



f Upper . 

 1-^ Middle 

 [Lower . 

 [Upper . 

 11^ Middle 

 [ Lower . 



{Upper . 

 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 



04 

 78 



28 

 96 

 44 

 02 

 96 

 34 

 44 

 96 

 36 

 86 

 60 

 98 

 00 

 86 

 00 

 06 

 21 

 04 

 54 

 14 



04 

 98 

 32 

 72 

 54 

 16 

 00 

 90 

 88 

 50 

 14 

 72 



94 

 46 

 16 

 36 

 36 

 54 

 32 

 60 

 91 



260 

 945 



320 

 240 

 110 

 255 

 240 

 835 

 610 

 490 

 590 

 715 

 900 

 245 

 000 

 215 

 750 

 765 

 553 

 260 

 635 

 285 

 970 



510 

 240 

 840 

 680 

 385 

 040 

 000 

 725 

 470 

 375 

 285 

 180 



9850 

 8650 

 7900 

 5850 

 5225 

 4087 

 3300 

 2875 

 2275 



