2O LIST OK TABLES. 



TABLE 1'AUE 



51. MEAN DIAMETERS OF THE LARGEST CELLS IN CERVICAL 



ENLARGEMENT OF A SERIES OF MAMMALS ; CHROMO- 

 PHOBIC AND CHROMOPHIL1C CELLS DISTINGUISHED 214 



52. AREAS OF THE NERVE TRUNKS AND NERVE FIBRES OF 



A FROG SUPPLYING THE SKIN AND MUSCLES ABOVE 

 AND BELOW THE KNEE RESPECTIVELY 217 



53. THE NUMBER OF MEDULLATED FIBRES IN THE CROSS- 



SECTIONS OF A FROG'S SPINAL CORD AT FIVE 

 LEVELS ; ACCORDING TO HYPOTHESIS AND ENUME- 

 RATION (GAULE) 222 



54. THICKNESS OF THE MOLECULAR LAYER OF THE CERE- 



BELLAR CORTEX IN THE CAT AT DIFFERENT AGES 

 (CONDENSED FROM KROHN) 237 



55. THE PROPORTIONAL DEVELOPMENT OF THE FIBRES OF 



THE CORTEX IN A YOUTH OF EIGHTEEN YEARS AS 

 COMPARED WITH A MAN OF THIRTY-EIGHT (KAES) 246 

 36. THE THICKNESS OF THE CORTEX AND ITS SEVERAL 



LAYERS IN MILLIMETERS (KAES) 247 



57. DIURNAL VARIATIONS IN REACTION TIMES (OSTANI- 



KOW AND GRAN) 302 



58. SHOWING THE VARIATIONS IN THE SHRINKAGE IN THE 



NUCLEI OF THE SPINAL GANGLION CELLS OF THE 

 CAT. STIMULATION VARIED (HODGE) 318 



59. ABSOLUTE WEIGHT OF THE LOBES OF THE CEREBRUM 



AT MATURITY AND IN OLD AGE BOTH SEXES 



(BROCA) , 326 



60. PERCENTAGE VALUES OF THE LOBES OF THE CEREBRUM 



AT MATURITY AND IN OLD AGE (BROCA) 327 



61. SHOWING DIFFERENCES OBSERVED BETWEEN YOUNG 



AND OLD NERVE CELLS IN MAN SPINAL GANGLION 

 (HODGE) 329 



62. PRODUCTIVE POWER OF A SAWYER OF VEGETABLE 



IVORY BUTTONS (SIR J. C. BROWNE) 333 



63. INCREASE IN THE STRENGTH OF GRIP WITH AGE BE- 



TWEEN SEVEN AND FIFTEEN YEARS (GRIGORESCE) 346 



64. SHOWING AMONG 287 CASES OF MEN DISTINGUISHED 



IN THE PROFESSIONS NAMED, THE PERCENTAGE 

 OF THOSE WHO GAVE PROMISE BEFORE TWENTY 

 YEARS, PRODUCED BEFORE THIRTY YEARS, AND 

 WERE DISTINGUISHED BEFORE FORTY YEARS 

 (SULLY) 354 



