A STUDY IN MOllUID AND NOlliMAL rilYSlOLOUY. 151 



Time. ' Abtekial Pressurk.* REMARKS. 

 M. Sec. 



9 25U-'iG0 Instniment plunged into the brain. 



9:5 260-270 "| 



9-6 200-270 I 



■ 2'0-280 1- AH this time the brain is being operated upon. 



9:20 270-280 J 



9:26 230 



9:36 240 At this moment, water forced into the brain, wasliing out masses of it. 



10 260-270 "Worii on brain ceased. 

 10:15 260-270 



10:30 250-260 



11 250-255 Animal pithed. At autopsy upper surface of the anterior lobes of the 



braiu found disorganized. 



Experiment 106. 



A dog. Cnrari employed, with itrtifieial respiration; femoral artery; two trephine openings 

 made over the Ilitzig's region, and galvanic needles iu.serted into the brain. 



Time. Abteehl Pressure.* REMARKS. 

 M. Sec. 



10 230-240 

 10:20 ■ 240-2.10 



10:50 250-260 Weak current applied to the brain. 



11 230-240 

 11:15 240-250 

 11:30 240-250 



11:40 Current broken. 



11:50 225-233 



13 ^ 230-235 



13:30 Weak current applied to the brain. 



13:40 230-235 



13:50 225-230 



14 Current broken. 



14:30 220-230 



15:35 220-225 



Time. Arterial Presscre.* REMARKS. 

 H. M. Sec. 



1:28:10 P.M. 210-215 



1:28:30 210-215 Weak current applied to the brain. 



1:28:40 210-215 Fig. 3, Plate V. represents the tracing from 1:28:30 to 1:28:50. 



1:28:50 ' Current broken. 



1:28:55 210-215 



1:29:30 210-220 Strong current to the brain. Fig. 6, Plate 11. represents the tracing 



from 29:30 to 30. 



1:29:50 220-225 Some struggles. 



1:30 Current broken. Fig. 5, Plate II. represents the tracing of arterial 



pressure needle from 1:31:45 to 1:32:10. 



1:31:50 210-215 One side of the brain destroyed with a needle. 



1:31:55 Other side of the brain destroyed with a needle 



1:32 210-215 



1:32:20 220 



1:32:40 210-225 



1:.35 ' Brain broken up afresh with the handle of a scalpel. 



1:35:50 220-225 



1:36 220-225 



1:36:20 225-230 



1:37:10 220-225 



1:37:20 225-230 



