46 
THOMPSON YATES LABORATORIES REPORT 
IllrJ cervical nerve ....... 68 
Skin distribution ...... 68 
Variation ....... 69 
Motor distribution ...... 69 
IV th cervical nerve ....... 69 
Skin distribution ...... 69 
Variation ....... 70 
Motor distribution . . . . . 70 
V th cervical nerve ....... 70 
Skin distribution ...... 70 
Variation . . . . . . . .71 
Motor distribution ...... 72 
Vlth cervical ?ierve . . . . . . -73 
Skin distribution ...... 73 
Variation . . . . . . .73 
Motor distribution ...... 73 
Fllti cervical nerve ....... 76 
Skin distribution ...... 76 
Variation ....... 77 
Motor distribution ,. . . . . . . 77 
Vlllth cervical nerve . . . . . .78 
Skin distribution ...... 78 
Variation ....... 79 
Motor distribution ...... 79 
1st thoracic nerve . . . . . . .81 
Skin distribution . , . . . 81 
Variation . . . . . . .81 
Motor distribution ...... 82 
Unci thoracic nerve . . . . . . .83 
Skin distribution . . . . . . 83 
Variation . . . . . . . .83 
Motor distribution ...... 83 
Exception to Van der Kolk's law . . . . .85 
Comparison between segmental anatomy of Man and o/Macacus . . . 85 
Motor distribution in Macacus and Man . . . .85 
Sensory skin-fields ...... 86 
Head's areas of visceral reference . . . .86 
Section II. — The Segmental Scheme of Innervation in the Limbs . . 89-94 
Comparison between cutaneous and muscular portions of the scheme . . 89 
Comparison between the afferent and efferent components of the muscular portion of 
the scheme ....... 90 
The root-composition of the afferent innervation of muscles . . .90 
The composition of the dorsal primary divisions of the segmental nerves of the limbs . 93 
Section III. — The Segmental Architecture OF THE Limb .... 95-123 
The amount of overlapping of the spinal-nerve skin-fields in various regions of the body 95 
