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



larger in the upper portion of the second, and remains much the same 

 through this and the third. The chief increase occurs between the lower 

 portion of the third and that of the fifth lumbar region, and is most marked 

 in the fifth. 



Table XII. — Section Area of the Dorsal 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. 



Mean. 



Dorsal (thoracic) — 



VI 



XII 



Lumbar — 



{Upper 

 Middle ... 

 Lov 



f Upper . 



EN I 



Middle 

 L Lower .. 

 T Upper . . 

 UN Middle 

 [ Lower . . 

 I Upper . . 

 ilV^ Middle 

 [ Lower . . 

 f Upper . . 

 Y< Middle 

 L Lower .. 

 f Upper . . 

 VI -I Middle 

 |_ Lower . . 

 f Upper . . 

 VII < Middle 

 I Lower .. 

 Sacral — 



[ Upper . . 

 I< Middle 

 L Lower . . 



f Upper 



Middle 

 (_ Lower . , 



f Uppe 



Middle 

 [Lower .. 

 f Upper . . 

 IV 1 Middle 

 [Lower .. 

 Coccygeal — 



f Upper . . 

 1^ Middle 

 L Lower . . 

 I" Upper . . 

 II j Middle 

 |_ Lower . . 

 f Upper . . 

 III^ Middle 

 L Lower . . 



0-142 

 0-268 

 0-608 



0- 846 

 1 -058 

 1 -302 

 1 -558 



1 -681 



1- 918 



2 -064 

 2 "244 



2- 484 

 2 -608 

 2 "794 



2 "944 



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 



2-28 

 3 -16 



4-38 

 4-28 



•68 

 •68 

 •76 

 •82 

 •64 

 5 -50 



5 -24 



6- 02 



7- 02 



6 "85 



6- 82 



7- 38 

 7-88 



7 "64 

 7-24 



6- 86 

 *7 -34 



7- 49 

 6 -54 



6-16 

 6 -32 

 5 -42 

 ■14 

 16 

 10 

 74 

 64 

 36 

 28 

 18 



5 

 4 

 4 

 3 

 3 

 3 

 3 

 3 



2-86 



2 -76 

 2 -46 

 2 -18 

 6 -40 

 5 -89 

 4-52 

 0-96 

 2 -86 

 59 



0-570 

 0-790 



1 095 

 1 -070 

 1 -170 

 1 -420 

 1 -440 

 1 -455 



-410 

 ■375 

 •310 

 •505 

 •755 

 •712 

 •705 

 •845 

 •970 

 •910 

 •810 

 1 -715 

 1 -835 

 1 "873 

 1 -635 



1 -540 

 1 -580 

 ] -355 

 1 -285 

 1 -115 

 1 -025 

 -9350 

 -9100 

 -8400 

 -8200 

 -7950 

 -7150 



"6900 

 -6150 

 -5450 

 -4000 

 -3681 

 -2825 

 -2400 

 -1787 

 -1475 



