( :J4V ) 



Al I.isI (Ik* scnsnlioii of pniii is wliollv losl, and oiilv tliat oC loiich 

 ivinaiiis. lill liiiaüv llic iallcr Ido lias disappcaivd, and lirsl Hic liltlc 

 ling-er, aflcrwards also llic external laleral pari of llie hand liaxc 

 become absolnlelv insc^nsihle. 



As I said Itel'ore. Uiese resnlls appear lo ine lo he in perfect 

 ueeordaiice lor the paiii-stininli at least with the i-nle we 



ha\'e tried to estaldish : pnttinii- to work nearlv cMpial eaiises, (i.e. 

 Itoth slow I V destrovini:- the coiidnction in a nerxcpath) the coiisecpieiiees, 

 as \vell for the seiisiide nlnaris-area as for the dei'nialoina, will he 

 eipial loo. In hoth skin-areas the pain-sensihilit v heu'ins dvinuawav 

 in that ])ai"(, situated at the üreatesl distance from the ceiilrum, 

 the most peripherical pai't thei'efore, this procc^ss conlimiinu' s1oa\1v 

 in a centi'i|)etal direction. As to the dissociation, our expei'iments 

 on do<:s lia\"e tanjiht ns likewise that it niav not so \-ei-v rai'ely he 

 ol)sei'\ed. ho\v the I'eaclion on the pain-sensation, when pinchini:: 

 the seiisihle area, is retarded. l*i-incipallv in cases where this area 

 was a small one. or oiilv the renniant of the central area after 

 a XQvy considei'ahle reihiclioji of it. In snch cases moi-eovei* the 

 ))aiii-i'eactioii was <^eiiei'allv xrvy protracted. The ix^snlts of the 

 experiments lak(Mi on do^s and of those tried on myself, are there- 

 foi'e in perfect accordance with (,ne another. 



As to the sensation of touch, the experiments on (lo<is could not 

 tt'ach us aiiythijiu' alxuit this. h(>cause it was impossihle to make nse 

 of any other hut pain-sensations for our delinilions. 'I'he nlnai'is- 

 experimenl liowexcr has showji us, that paralysis of the sense of 

 touch does heüin in a later stadium than that of the |)ain-sen>ation : 

 whilst its d_\ inu' away in a centripetal dii'cction cainiol he demon- 

 strated with the same exideiice as for this latter sensation. 



At any I'ate the first fact is vei-y siLfnilicant, the more so. if consid(>re(l 

 in coimexion with Sni',KM{iN(;'roN"s communication') on dissociative 

 anaestliesia. as has heen explained more fully in our fourth com- 

 mnnication ") on function and structure of the lruid<-dei-nial(nna. 



Physiology. — "'S/r/icf/nw and finn-tion utthc ti-niik-din-nKiloind'^ \\ . 

 \\\ Prof. ('. Wi.NKi.KK and l)i-. (i. \an Üi.inhkrk. 

 ((loinniimicalcd in \\u- nicrliiiii- of (IcIoIxm- '.\\ . 11)08). 

 In the course of three |)i'ecedinL!,- communications '). a few oh8er\ations 

 concerning' the siruclnre and liie functions of the liiinkdermatonuitti, 

 have heen treated of. 



1) J(.uriial of lMiysi()l(.i:y. Vel. t>7. lllOl 0:^. 



-) Hoyal Acad, of Sciences, .\nistcniani, Oct. oJ, I'.IOH. 



•') See: Proc. of llie Uo\al Academy Nuv. 30 1' , Dec ^8di I'.JUJ, Fcbr. :2l!i1i 1Ü02. 



