454 



PHYSIOLOGY 



CHAP. 



by physiological tests during life and with histological methods 

 after its death. While alive the animal exhibited all the defect 

 phenomena which we described under the heads of asthenia, 

 atonia, and astasia, particularly in its hind-limbs. These defect 

 phenomena were associated with compensatory phenomena, as 

 pronounced abduction of the fore- and hind-limbs. Langelaan 



FIG. 238. Tracings of gait from a bitch weighing 5395 grms. which had been deprived of the median 

 eriebellar lobe. (Luciani.) a, tracing nine days after operation; c, eleven days after; d, 

 nineteen days after ; d', the same, on blindfolding the animal ; , a month after ; e', the same 

 after hypodermic injection of morphine. 



carefully examined sensation without discovering any disorder ; 

 the muscle-sense, which he tested minutely, was almost normal. 

 At the post-mortem examination he observed a marked atrophy 

 of the whole cerebellum, which involved only the cortical elements 

 (granular layer and layer of Purkinje's cells) ; while the central 

 nuclei and those of Deiters and Bechterew were normal in form 

 and structure. In addition to the atrophy of the cerebellar cortex 



