THE LIMBS AND TAIL 



331 



hours and loss of sensation for some three or four months. The loins 

 were fomented and treated with sedative lotions, and in about a fortnight 

 the dog- recovered power of the sphincters, but the hind legs remained 

 paralyzed and became spastic. There were increased knee and ankle 

 jerks and foot clonus, but the scrotal reflex could not be obtained during 

 the subsequent eighteen months. Prolonged periods of regular treat- 

 ment with strychnine, arsenic, and iodide of potassium respectively, with 

 •external massage, were carried out, but beyond occasionally being able 



THin wauc of 

 CYST 



Seat gf 





©- 



Crsr 



Crsr 



■' CORO WITH 



TWO jMAcL Ci[xt:s 



Our OXltERWIJi:- 



Fig. 209. — -Spinal Cord, showing a Cyst at the Level of the Ninth 

 Thoracic Sesjment. 



to stand for a few seconds or to walk a few steps, no improvement 

 resulted. As might be expected, at times abrasions were shown on the 

 skin of the legs. A skiagraph was taken, but did not afford any real 

 assistance to a more accurate diagnosis, and after eighteen months the 

 patient was painlessly put away in the lethal chamber. 



"Wie. post-iiwrteni examination (made by Dr. F. E. Batten) revealed a 

 displacement between the ninth and tenth thoracic vertebra^, without any 



