496 



A MANUAL OF VETERINARY PHYSIOLOGY 

 Anus $ vagina. 



Abdomen 



Chest 



Fingers 

 § thumbs 



ofjcLW. 



Opening 



of jaw. Voc&L 

 cords. 



Sulcus centralis. 



M&sbicaZion 



CSS. del. 



Fig. 149. 



e./#. 



-Motor Area of Cortex of Chimpanzee (GrOnbaum and 

 Sherrington). 



Lateral aspect of the hemisphere. 



portion of the cortex indi- 

 cated by the shaded area was 

 destroyed by cauterisation. 

 The symptoms were complete 

 blindness of the opposite eye 

 (in this case the right) ; weak- 

 ness of the muscles of the 

 limbs and of the neck on the 

 right side ; slight weakness of 

 the limbs on the left side. 

 When the animal walked, 

 there was a tendency to turn 

 to the left in a circle. In 

 eating or drinking, the head 

 was turned to the left, so that 

 the mouth was oblique, and 

 the right angle of the mouth 

 was lower than the left. The 

 tail movements were normal, 

 and there was no deviation of 

 the tail to one side. 



Fig. 150. — Dog's Brain with Lesion 

 (Stewart). 



complex type. In those areas which have been mapped out in 

 the dog, the representation of the muscles of the neck exists 



