1905.] 



Cord of the Macaque Monkey. 



125 



B2. Percentage of the Ventral and of the Dorsal Horns to the Total Grey 

 Substance in the Cross-section of the Cord. 



Table XIV.— Percentage Values of the Dorsal and of the Ventral Horns 

 in the Total Grey Substance. The total area of the grey substance 

 in each cross-section of the cord = 100 (Chart XIV). 



Region of cord. 



Distance 

 in cm. from 

 uppermost 

 section of 

 I Lumbar 

 region. 



Percentage 

 of dorsal 

 horns. 



Mean. 



Percentage 

 of ventral 

 horns. 



Dorsal (thoraeic)- 



VI 



XII 



Lumbar — 



f Upper . 

 I \ Middle . 

 [ Lower . 

 f Upper . 

 II i Middle . 

 L Lower . 



(" Upper 



. i T _., 



ILN Middle 

 [ Lower 

 f Upper 



IV < Middle 

 L Lower 

 [ Upper 

 V i Middle 

 [ Lower 

 [ Upper 



VI < Middle 

 { Lower 

 ( Upper 

 VII I Middle 

 [ Lower 

 Sacral — 



(" Upper 

 I-l Middle 

 L Lower 

 C Upper 



II 1 Middle 

 [ Lower 



{Upper 

 Middle 

 Lower 



f Upper 



IV < Middle 

 [Lower 

 Coccygeal — 



r Upper 

 1^ Middle 

 [ Lower 

 f Upper 

 II i 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 



45 

 41 



42 

 43 

 42 

 41 

 40 

 39 

 33 

 32 

 30 

 25 

 25 

 24 

 23 

 24 

 25 

 27 

 28 

 32 

 35 

 38 

 37 



40 

 42 

 42 

 42 

 41 

 43 

 42 

 43 

 45 

 46 

 47 

 47 



48 

 49 

 48 

 51 

 51 

 51 

 56 

 58 

 59 



78 

 80 



8<i 

 06 

 09 

 83 

 56 

 17 

 89 

 54 

 22 

 70 

 20 

 00 

 85 

 82 

 77 

 38 

 40 

 03 

 22 

 51 

 54 



31 

 88 

 15 

 34 

 53 

 25 

 02 

 65 

 65 

 99 

 75 

 19 



76 

 01 

 66 

 86 

 38 

 72 

 47 

 13 

 60 



42 -67 

 40-52 

 32 -22 

 24 -97 

 24 -81 

 29 -27 

 37 -09 



41 -78 



42 -38 



43 -77 

 47-31 



48 -81 

 51 -66 

 58 -07 



54 -22 

 58 -20 



57-14 



56 -94 



57 "91 



58 -17 



59 -44 



60 "83 



66 -11 



67 -46 

 69 -78 

 74 -30 



74 -80 



75 -96 



76 -15 

 75 -18 

 74 -23 

 72 -62 

 71 -60 

 67 "97 

 64 -78 



61 -49 



62 -46 



59 -69 

 57 -12 

 57 -85 

 57 -66 



55 "47 



56 '75 



57 -98 

 56 -35 

 54 -35 

 53 -01 

 52 -25 

 52 -81 



51 -24 



50 -99 



51 -34 

 48 -14 

 48 -62 

 48 -28 

 43 -53 

 41 -87 

 40 -40 



VOL. LXXVIII. — B. 



