60 Fi:vr:n 



Kxi"kkim?:nt 50. 

 A mbbit. 



Tt»«. ItttT. Tuir liKMARKS. 



II:1>0«.M Skull oixmhmI. 



IIU!.-. '■" I" 



1 1::;. I 'C'lioii or brain moilr; nwwt TiolcnlcoiivulKionscanic on and lastcl a minute or tva 



Ii::;i) iiu..') 



lli.i'J 104 Animal (|uii-t. 



11:34 Ucsjiirutiun ct'oacd. 



I I .i-. 111 ; ■' . 



.iii.'nj.si/. — WiMiinI "f liriiiii alii.vi.- lilt' pons. Oni' of tlic rrurn ccrt-bri cut tliroiifrli cnlirciy cxci |i 

 a bbrud, tbo ulbcr crus wuuudcd. A lurj^c elut ul Ijuso uf bruiii ruuuiiig LuU) tiiu fuurlli vculriclu. 



EXPEHIMENT 51. 

 A ruhbil. 



Autopgxj. — Incision nearly <liriiliii^ pons and niedulla at tiicir junction, edge of the incision uok 

 uiorv than a niillimutru fruDi the Uwsjannikow's space. 



EXPEUIMENT 52. 



IJEMAIJKS 



F'unclure of the left piile of tlie brain tlironcli the ^knll. 

 \niiii:il apparently completely paralyzed, iii.t i-,.in nl-i .1 



Violent persistent clonic spasm of the left sido of the neck. 



Animal died during the night. 



Autopny. — A clean inri.sion runninfc obliquely thronph the pons rcnchitig nlx.ve aInioKt to il« 

 upper surface. Ijclow to within about ii line of the lower surface. 



Tl will l)o seen flint tlicsp cxpcriinciits, aloni; with tlioso of Bnick nnd Giintor, 

 sliow that it is an cxrcptinn.il rirciimstanro to j^ct n rise of tciiipiTatiirr in the 

 rul)l»it nftrr sfction of tlir mcdtiUu at its junction with the ])ons. I have also found 

 that in the dop very frequently the rise does not oeeiir, or is not jKHnanent. Tliis 

 certainly in many and possibly in all cases is due to the Curnuition of a elot in ih* 



