DE. D. FEEKIEK ON THE BEAIN OF MONKEYS. 
449 
possession of all its powers, it was taken and the angular gyrus destroyed on both sides 
by means of the cautery. 
The operation was finished at 4.35. 
The animal when placed on the floor uttered a cry and looked about in a scared 
manner. 
Pricked up its ears and cried when called to. 
Sat up quite steadily, but would not move. 
The pupils reacted to light. 
4.55 p.m. A light flashed before its eyes caused it to wince and erect its head. When 
placed beside the fire it sat up, enjoying the heat. 
When removed from the fire it lay down, and would not move from its position even 
when nudged. 
Turned its head sharply when called to by name. 
When taken hold of clung violently to me, in terror at being placed down again. 
When placed beside the fire sat contentedly enjoying the heat. Made no sign of 
perception when the room was suddenly darkened and lightened. 
5.30 p.m. Sits quietly by the fire. A piece of apple dropped beside its hand caused 
it to lay hold of it, and after smelling eat it. When taken away from the fire and 
placed on a chair, lay down and refused to stir. 
There is no paralysis of motion or sensation unless of sight ; and this is difficult to 
ascertain beyond all doubt, as no crucial test seems applicable. 
8 p.m. The question of sight was decided in the following manner. A dish of sweet 
tea, of which it was fond, .was placed to its lips, whereupon it drank greedily, keeping its 
mouth in the dish as it was lowered ; but on the dish being withdrawn from immediate 
contact and placed on the floor quite under its nose, the animal was unable to find it, 
though exhibiting a desire to do so. This was repeated several times with the same 
result. On the dish being raised to its lips it drank eagerly, aid followed it with 
its mouth immersed until every drop was exhausted, the dish being drawn along the 
floor for some feet. 
January 9th . — 11 a.m. The animal is alive and well, and retains its muscular power 
and senses, except sight. It eats and drinks with avidity whatever is brought up to its 
mouth, but is unable to find its food when it is removed from immediate contact. 
Will not move from its place, but remains quite still with its eyes open. The pupils 
are equal and active. An object waved in front of its eyes causes wincing only if closely 
approximated to the eyes. 
A threatened blow with a stick causes no reaction, unless when brought almost in 
contact with its eyes. 
The left wrist seemed slightly dropped, and not used like the other. With this 
exception all the voluntary movements were unimpaired. 
To avoid the complication of extension of softening to other regions, the animal was 
killed with chloroform at 12 noon. 
MDCCCLXXV. 
3 o 
