THE FORE-BRAIN 



603 



eye-reflexes (especially marked on the outer half of the visual 

 Held of flie eye of the side opposite that in which the, calcarine 

 region had been destroyed) persisted almost unaltered for over a 

 year. He, too, was able with Marchi's method to detect a 



B 



FIG. 301. The dotted region of the occipital lobe indicates the extent of the area striata on the 

 superior surface, A; inferior surface, li ; and mesial or internal surface, C, of dog's brain. 

 (Campbell.) 



degeneration descending towards the antero- lateral part of the 

 pulvinar, in the dogs operated on. Lastly, after extirpating the 

 eye of a new-born puppy, he found hypoplasia of the calcarine 

 region on the opposite side when development was complete. 

 Panizza, many years before, had described the same hypoplasia 



