ON THE MAMMALIAN NERVOUS SYSTEM. 



525 



(4.) Cord Severed from Brain and Divided Longitudinally. 



(5.) After Section of Columns 1-3 Months Previous to Observation. Cord Severed 



from Brain. 



Cat (228) division of posterior roots on one side, llth dorsal 012 



,, (231) division of right posterior column at 7th dorsal, llth dorsal . . 025 



,, (252) division of both posterior columns at 10th dorsal, Gth dorsal . . 022 



(260) left hemisection at 9th dorsal, 4lh dorsal 017 



(283) left hemisection at 12th dorsal, Gth dorsal 038 



(228) hemisection on right side at 9th dorsal, 1st lumbar 018 



Average 022 Danieil. 



(6.) General Average. 



Average, all cases, cord, Cat 0:52 Danieil. 



Monkey .... 022 



